This Week in Parasitism

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Audun returns to help solve the case of the Ecuadorean Gentleman Treated for COVID-19, followed by a discussion of the interaction of Blastocystis with the intestinal microbiota and the immune system, and of course a new clinical case from Daniel. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Guest: Audun Lier Download TWiP #192 (46 MB .mp3, 76 minutes) Subscribe (free): iTunes, Google Podcasts, RSS, email Links for this episode PWB on Facebook, Instagram, Twitter Blastocystis interactions with gut microbiota and immune system (PLoS Path) Hero: Lucy Engel Graves Taliaferro Letters read on TWiP 193 Become a patron of TWiP Case Study for TWiP 193 Male, 50s, seen by physician for unilateral eye pain, blurred vision, watery drainage. Soft contact lens wearer. Given eye drops, oral medication, sent for another opinion when does not resolve. Has hypertension, hyperlipidemia, no surgeries, no allergies, is on hypertension/statin med. Works in store. No toxic substance use. HIV negative. Lives on large piece of land with his own well, away from city, own septic tank. Left eye is very red. Ophthalmologist report: decreased visual acuity in left eye, injection of conjunctiva, edema, erosions, send corneal scrapings for culture. Swims in Long Island Sound. No travel history. No pets.  Send your case diagnosis, questions and comments to twip@microbe.tv Music by Ronald Jenkees
The TWiPers solve the case of the Teenager in Malawi with Red Urine, then Audun joins to present our clinical case for this episode. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Guest: Audun Lier Subscribe (free): iTunes, Google Podcasts, RSS, email Links for this episode PWB on Facebook, Instagram, Twitter Hero: George B. Craig Letters read on TWiP 192 Become a patron of TWiP Case Study for TWiP 192 Older gentlemen with chills, muscle aches, headaches, shortness of breath, family members same symptoms. Hypertension, diabetes. From rural Ecuador, worked in timber industry, worked on farm. No pets. COVID positive. Treated with steroids, ab. Got worse over next two weeks. Developed bloodstream infection and pneumonia. Saw serpiginous trail on diagnostic agar plate of sputum sample. Started on treatment and recovered. No eosinophils on admission, later developed eosinophilia.  Send your case diagnosis, questions and comments to twip@microbe.tv Music by Ronald Jenkees
The TWiPers solve the case of the Rural Man from North Carolina with Blurred Vision, and discuss the results of single-cell RNA sequencing of Schistosoma mansoni. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Subscribe (free): iTunes, Google Podcasts, RSS, email Links for this episode PWB on Facebook, Instagram, Twitter RNAseq atlas of S. mansoni (Science) Hero: Kathleen Hussey Letters read on TWiP 191 Become a patron of TWiP Case Study for TWiP 191 Visit in Malawi, capital, teenage son of USAID worker urine has started to turn red. New to Malawi. On weekends go 2.5 hr east to lake and place to swim, Lake Malawi. Given pills, taken morning and night, clears up. Rest of family has been swimming in Lake Malawi. All in family are healthy.  Send your case diagnosis, questions and comments to twip@microbe.tv Music by Ronald Jenkees
Christina from Glasgow returns to help the TWiPlets solve the case of the Ghanian Woman with Abdominal Mass, followed by discussion of the impact of COVID-19 on malaria morbidity and mortality in Africa. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Guest: Christina Naula Download TWiP #190 (57 MB .mp3, 94 minutes) Subscribe (free): iTunes, Google Podcasts, RSS, email Links for this episode PWB on Facebook, Instagram, Twitter COVID-19 effects on malaria in Africa (Lancet) Hero: Clark Read Letters read on TWiP 190 Become a patron of TWiP Case Study for TWiP 190 Male, 50 yo, rural NC, suddenly notices blurred vision right eye. Went away 1 hr later, normal vision. Returned next night, same eye, then corrected. Went to local doctor, sent to larger med center, went to Presbyterian Hospital NYC. Had exposure to various animals, normal diet. Dickson and Dr. Brown went to see this gentleman. Examined by head of ophthalmology dept. Dickson looked through ophthalmoscope and saw cause of his blurred vision in anterior chamber of eye. Next morning when were going to remove it, had penetrated optic nerve and disappeared. Sent home and never heard from again. Made living by selling hunting dogs, ran a kennel.  Send your case diagnosis, questions and comments to twip@microbe.tv Music by Ronald Jenkees
Christina from Glasgow joins the TWiPlets to solve the case of the Elderly Gentlemen with Full Body Rash, and to present a new clinical case for listeners to solve. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Guest: Christina Naula Subscribe (free): iTunes, Google Podcasts, RSS, email Links for this episode PWB on Facebook, Instagram, Twitter Support MicrobeTV through Parasites Without Borders Hero: Tony Fauci Tony Fauci on TWiV 219 and 641 Letters read on TWiP 189 Become a patron of TWiP Case Study for TWiP 189 At a clinic in Ghana, woman seen for hernia, large swelling in right upper abdomen that grew steadily in previous year. Exam found to have mass, too high for inguinal hernia. Thought to be in liver. Mother, subsistence farmer, 50s, not unwell, no jaundice, mobile, overweight. Lump was firm, did not appear to be fluid filled, did not reduce under pressure, smooth, over 20 cm. Concern was liver cancer. Due to remoteness of clinic not possible to order tests. One test was done which could deliver the diagnosis. Send your case diagnosis, questions and comments to twip@microbe.tv Music by Ronald Jenkees
Dickson, Daniel and Vincent solve the case of the Baby with Hydrocephalus, and present a new clinical case for listeners to solve. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Subscribe (free): iTunes, Google Podcasts, RSS, email Links for this episode PWB on Facebook, Instagram, Twitter Letters read on TWiP 188 Become a patron of TWiP Case Study for TWiP 188 Man in 90s, suffering for months, healthy, hypertension, diabetes, large man, over 6 ft, 200 lb, rash. Full body rash for months. Gone through allergy med, cream, prednisone, some helped but regressed. Tried ivermectin 3 pills, got better for a few weeks, then rash worsened. Primary care doc did thorough exam, found abnormal area between toes, did scraping, sent to lab. When came back, asked some questions. Wife is also suffering. Gave larger dose of ivermectin, repeated 2 weeks later, wife also treated, and then recover. Not COVID-19, no HIV-AIDS, no drinking or smoking. Started before COVID, first in wife. Had gone on trip, not far away, stayed in hotel. No pets. Send your case diagnosis, questions and comments to twip@microbe.tv Music by Ronald Jenkees
Dickson, Daniel and Vincent solve the case of the Middle Aged Woman with Loss of Vision in One Eye, and discuss the role of heme oxygenase in the various protozoan infections. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Subscribe (free): iTunes, Google Podcasts, RSS, email Links for this episode Heme oxygenase-1 in protozoan infections (PLoS Path) Support Floating Doctors at PWB Letters read on TWiP 187 Become a patron of TWiP Case Study for TWiP 187 Pregnant newly married, living North Shore, first pregnancy. Affluent family, measured successful lawyer who cooks. Organic eating. Boy born at 9 mo, has midwife, has delivery at home. Baby has enlarged head. OB diagnosed with hydrocephalus. Mother healthy. No meds. Works in retail store, lives with husband, not working for second half of pregnancy. Drank alcohol rarely. No significant travel. Patient reports having no pets but her brother owns small farm, and husband likes serving rare meats, all kinds, which she has eaten since she married him. Will do ultrasound, CT, blood work. Music by Ronald Jenkees
Dickson, Daniel and Vincent solve the case of the Elder Gardener Feeling Poorly, and discuss the three-dimensional ultrastructure of Plasmodium falciparum during cytokinesis. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Subscribe (free): iTunes, Google Podcasts, RSS, email Links for this episode Three-dimensional structure of malaria parasite (PLoS Path) Support Floating Doctors at PWB Letters read on TWiP 186 Become a patron of TWiP Case Study for TWiP 186 Middle aged woman quite upset, referred to Daniel. Sheltering at home, one day looking at her children, noticed problem with vision. When covers right eye, notices area of loss of vision in left eye. No other associated symptoms. Admitted to hospital, blood tests, eye exam (lesion in back of eye had developed). Blood: WNV serology, another was done but he’s not saying. Comes back positive. No cat or dog exposure. Healthy, no prior medical problems, no surgeries, no toxic habits, HIV unknown, married.  Send your case diagnosis, questions and comments to twip@microbe.tv Music by Ronald Jenkees
Dickson, Daniel and Vincent solve the case of the Wife of a Guy with Cyclospora Diarrhea, and discuss the discovery of an intrinsic oscillator that drives the bloodstream stage cycle of the malaria parasite. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Subscribe (free): iTunes, Google Podcasts, RSS, email Links for this episode Intrinsic oscillator in malaria parasite (Science) Malaria parasite has intrinsic clock (Science) Letters read on TWiP 185 Become a patron of TWiP Case Study for TWiP 185 Seeing this type of case 1/week for last several weeks. 75 yo female, admitted with fever, body aches, cough, loose stool for 2 week, sodium 118. Sheltering in place in Long Island, some gardening, no travel. Blood testing detected low sodium. COVID-19 negative, no other symptoms. Blood work: wbc 2000; hematocrit 24; platelets 40; sodium 120s. Unremarkable physical exam. Lyme test negative; other tick borne diseases negative. Send your case diagnosis, questions and comments to twip@microbe.tv Music by Ronald Jenkees
Dickson, Daniel and Vincent solve the case of the Safari Goer With Watery Diarrhea, and explain how a microsporidian endosymbiont of Anopheles mosquitoes might impair the transmission of malaria. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Subscribe (free): iTunes, Google Podcasts, RSS, email Links for this episode Contribute to Parasites Without Borders Microsporidian impairs Plasmodium transmission (Nat Comm) Hero: Eugene T. Lyons (obituary) Image credit: Josh Letters read on TWiP 184 Become a patron of TWiP. Case Study for TWiP 184 69 yo female with several months of abdominal symptoms started in S. Africa, water shortage as described for her husband in the previous TWiP. Husband had C. cayetanensis. Her symptoms improved; her stool was positive for B. hominis and E. nana. Given many different treatments. Then comes to see Daniel. Some abdominal discomfort, mucosy stools. All past med/surg unremarkable, nothing in family, sent for repeat labs, stool O&P all normal including GI PCR Send your case diagnosis, questions and comments to twip@microbe.tv Music by Ronald Jenkees
Dickson, Daniel and Vincent solve the case of the Female with Itchy Anus, and reveal the structure of a roundworm membrane protein involved in digestion of nutrients. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Subscribe (free): iTunes, Google Podcasts, RSS, email Links for this episode Structure of roundworm digestive complex (PLoS Path) Hero: Dr. Anthony Fauci Fauci Pharmacy (TWiV 219) Letters read on TWiP 183 Become a patron of TWiP. Case Study for TWiP 183 70 yo male. Returns with wife from safari in S. Africa. Reports suffering from 2 weeks watery diarrhea. Severe water shortage in S. Africa, limited washing water, hand sanitizers to clean hands so problem with hand hygiene.  5 days after arrival he and wife have water diarrhea, 12 per day, nauseated, abdominal cramping. Ab no effect. Stool culture, ONP, negative. Healthy, no past med/surg, no allergies, nothing runs in family. Stool sent off for ONP acid fast stain, also GI PCR panel. Prompts treatment for 7 days trimethoprim sulfamethoxazole, resolves. Send your case diagnosis, questions and comments to twip@microbe.tv Music by Ronald Jenkees
Dickson, Daniel and Vincent solve the case of the Ugandan Volunteer With Morning Bites and discuss integration of HIV-1 into the Schistosome genome, with a sprinkling of COVID-19 throughout. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Subscribe (free): iTunes, Google Podcasts, RSS, email Links for this episode PWB social media: Facebook, Instagram, Twitter Daniel on TWiV HIV-1 integration into Schistosome genome (PLoS Path) Image from John Southall's Treatise of Buggs, 1730. Letters read on TWiP 182 Become a patron of TWiP. Case Study for TWiP 182 60 yo female comes in with husband, grew up in Lima Peru. Having issue had when child, would get itchiness around anus, mother would have her eat pumpkin seeds. Every 2-3 weeks wakes up with severe itching. Put in q-tip and extracted something, has video of it. ONP stool cultures negative. Referred to Daniel. Negative medical history, no allergies, no surgeries, no medications. Does travel, mainly to Uganda. HIV negative, no toxic habits. Husband reports no symptoms. Has children/grandchildren. Send your case diagnosis, questions and comments to twip@microbe.tv Music by Ronald Jenkees
Dickson, Daniel and Vincent solve the case of the Two Volunteers With Watery Diarrhea, discuss diagnosis of SARS-CoV-2 in the New York area, and reveal an approach to preventing honeybee colony collapse by imbuing their gut bacteria with the ability to produce antiviral and antiparasite double-stranded RNAs. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Subscribe (free): iTunes, Google Podcasts, RSS, email Links for this episode PWB social media: Facebook, Instagram, Twitter Daniel on TWiV Special Engineered symbionts limit honeybee pathogens (Science) Letters read on TWiP 181 Become a patron of TWiP. Case Study for TWiP 181 Risks of being helpful. Volunteer from previous case. Diarrhea is gone, now has second issue. Since coming to Uganda noticing on waking in AM often has series of 1 cm red raised lesions in a line, 3-4, on torso. Swollen and itchy. New ones in the AM. Manager says welcome to Uganda. They move out of room, leave bedding behind. Lesions stop. What is going on and when can they move back into room? Send your case diagnosis, questions and comments to twip@microbe.tv Music by Ronald Jenkees
The TWiP professors solve the case of the Ugandan Child with Splenomegaly, and reveal that mutations in the P. falciparum genome that confer artemisinin resistance interfere with endocytic uptake of hemoglobin. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Subscribe (free): iTunes, Google Podcasts, RSS, email Links for this episode PWB social media: Facebook, Instagram, Twitter Endocytosis pathway mediates artemisinin resistance in malaria parasites (Science) Letters read on TWiP 180 Become a patron of TWiP. Case Study for TWiP 180 Uganda with a twist. Meets two people with watery diarrhea, 12 episodes/day, loss of appetite. No fever, no blood in stool. Living for months at staff guest house. One week prior to onset went on weekend trip to area with waterfalls. Were served outdoor meal: meat, salad, fruit. Recommends empiric treatment trimethoprim/sulfamethoxzole for 7 days. Prompt resolution of diarrhea. A few days later, upon drinking coffee with milk gets severe cramps. 20s, long term female volunteers.  Send your case diagnosis, questions and comments to twip@microbe.tv Music by Ronald Jenkees
The TWiP DVD solve the case of the Child Who Passed Worms, and discuss a non-human primate model for severe malarial anemia. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Subscribe (free): iTunes, Google Podcasts, RSS, email Links for this episode PWB social media: Facebook, Instagram, Twitter Primate model of severe malarial anemia (Sci Rep) Ascaris skirt (and more!) Hero: Harold W. Brown Letters read on TWiP 179 Become a patron of TWiP. Case Study for TWiP 179 From Uganda, eastern up in mountains, rainy season. 6 yo girl brought in by mother on Monday, reporting several days of feeling poorly, headache, fever, muscle aches. Negative malaria smear on Monday. Wednesday returns, feeling worse, fever higher, headache worse. Lungs clear, belly (pain on left side) has large spleen. Living in good conditions, well dressed, dirt floor house, concrete walls. Toilet is hole in back. Same dietary habits, high in carbs. No mosquito netting. Water from stream. No siblings. HIV negative. Send your case diagnosis, questions and comments to twip@microbe.tv Music by Ronald Jenkees
The Knights of the TWiP solve the case of the Man Who Lost Weight, and discuss a Plasmodium protein kinase that is a malarial drug target. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Subscribe (free): iTunes, Google Podcasts, RSS, email Links for this episode PWB social media: Facebook, Instagram, Twitter Protein kinase as malaria drug target (Science) Hero: Myron Schultz Letters read on TWiP 178 Become a patron of TWiP. Case Study for TWiP 178 Eastern border of Uganda with Kenya, in mountains. Drinking water from nearby stream. Two young boys come to clinic, without parents. Sent in by grandmother because 1 yo brother has been passing worms. Long, white, flat. Shown photos in PD7, pinkish worm, 8 inches long, round. He points to those, what he has been seeing in brother’s stool. 1 year old seems small, protuberant abdomen; brother small for stated age, bit of protuberant belly. Diet: high carbohydrate, flour deep fried; yams; cabbage; some rice; soybeans; pumpkin; bananas. Send your case diagnosis, questions and comments to twip@microbe.tv Music by Ronald Jenkees
The TWiPsters solve the case of the Rashy Schoolteacher, and reveal a drug from rotifers that live on the snail intermediate host which paralyzes schistosome cercariae and prevents infection of mice. Hosts: Vincent Racaniello, Dand Daniel Griffin Subscribe (free): iTunes, Google Podcasts, RSS, email Links for this episode Progress towards global eradication of dracunculiasis (MMWR) Rotifer compound that paralyzes schistosome cercariae (PLoS Biol) Image credit Letters read on TWiP 177 Become a patron of TWiP. Case Study for TWiP 177 49 yo man sent to Daniel for ID consultation. Reports in August visited Hawaii with family, then flies to CA. Family event there. Take him to Pakistani restaurant. One day later has gastrointestinal issues, nausea, diarrhea. Goes to urgent care, send stool for O&P. Look at stool, shows chilomastix mesnili. No medicines, will be ok. Over this period of 1 week he loses 15 pounds. Gains 5 back. End of October feels fine, no bloating or diarrhea. No symptoms but goes to gastroenterologist. Stool test returns with D. fragilis; and chilomastix mesnili. Now sees Daniel. Not on any meds. No allergies, no toxic habits, athletic. No illness in family. Normal exam. He ate salads in Hawaii. Send your case diagnosis, questions and comments to twip@microbe.tv Music by Ronald Jenkees
The TWiPpers of the bite fantastic solve the case of the Indian Man Who Hiked, and discuss the effects of schistosome soluble egg antigen on infection of lymphocytes with HIV-1. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Subscribe (free): iTunes, Google Podcasts, RSS, email Links for this episode Effect of schistosome soluble egg antigen on HIV-1 infection (PLoS P) Hero: Lawson Soulsby Letters read on TWiP 176 Become a patron of TWiP. Case Study for TWiP 176 Recent case, woman in late 20s, schoolteacher. Outer boroughs of NYC. Wakes up on Saturday, completely rash-y, head to toe. Goes to urgent care center, say is allergic, give anti histamines and steroids. Persists after a few days, goes to allergist. Only allergen positive, dust mites. Few days later goes to GP, still itchy and rash-y. He does more thorough exam, notices she has small red lesions on fingers and between fingers. Several children in classes she is teaching has similar malady. Given therapeutic, rash goes away. Otherwise healthy, HIV negative. Partner not around at the time this develops. Send your case diagnosis, questions and comments to twip@microbe.tv Music by Ronald Jenkees
The TWiP'ers solve the case of the Sudanese Boy With Fever, and reveal antibodies against that slow invasion of red blood cells potentiate other malaria-blocking antibodies. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Subscribe (free): iTunes, Google Podcasts, RSS, email Links for this episode Antibodies that slow malaria invasion (Cell) Hero: Sir Leonard Rogers (pdf) Letters read on TWiP 175 Become a patron of TWiP. Case Study for TWiP 175 70 yo man born in India, came to US 1985. Has not gone back for 2-3 years. Admitted with acute onset of fever, cough, not eating well. Was fine until a week ago, had lost consciousness, fever 102F. Negative cultures for urine and blood. Some kidney stones, type II diabetes, elevated cholesterol, no surgeries. No family medical issues. Started on vancomycin on zosyn. Works in post office, lives with house in private home. No toxic habits. Has history of hiking trip 1-2 months prior, in Rhode Island, in June. No pets, animals. Exam unimpressive. Labs: crit 25, hemoglobin 9. Platelets 39. Bilirubin 5.3. Liver enzymes slightly elevated. Chest CT clear, blood smear: anisocytosis, microcytosis, polychromasia, 4.3% reticulocytes. Daniel orders one test, 90 minutes later starts treatment. HIV negative.   Send your case diagnosis, questions and comments to twip@microbe.tv Music by Ronald Jenkees
Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin The TWiPloid organisms solve the case of the Doctor with Chronic Epigastric Pain, and reveal how levels of linoleic acid in the intestine enable the sexual cycle of Toxoplasma gondii in cats. Subscribe (free): iTunes, Google Podcasts, RSS, email Links for this episode: Determinant of T. gondii sexual cycle(bioRxiv) A Year's Worth of TWiP by Kevin Carney Hero: William Trager Letters read on TWiP 174 Become a patron of TWiP. Case Study for TWiP 174 12 yo male living in refugee camp after fleeing Sudan. Presents to doctor with history of fever for many months, every other day; chronic abdominal pain. Tried antimalarials, no effect. Broad spectrum antibiotics, no effect. Exam: fast heart, clear lung, enlarged liver, enlarged palpable spleen. Camp has limited resources, no more diagnostic tests. Tried intravenous amphotericin. Child improves.   Send your case diagnosis, questions and comments to twip@microbe.tv Music by Ronald Jenkees
Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin The podcastellani hosts solve the case of the Sailor With Dysentery, and reveal the first virus discovered in Plasmodium species. Subscribe (free): iTunes, Google Podcasts, RSS, email Links for this episode: Matryoshka RNA virus of Plasmodium (bioRxiv) Hero: Rose Gana Fomban Leke Letters read on TWiP 173 Become a patron of TWiP. Case Study for TWiP 173 Successful individual in NY area with 9 months of epigastric pain. Did upper endoscopy, saw in stomach several small mobile white serpiginous moving objects. 2.8 mm. Seem to be trying to burrow into gastric mucosa. One grabbed and sent to lab. History: curious habit of curing his own protein sources.  Send your case diagnosis, questions and comments to twip@microbe.tv Music by Ronald Jenkees
Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin The metacyclic TWiPomastigotes solve the case of the Child With a Painless Leg Lesion, and reveal how to kill mosquitoes with a genetically modified fungus. Subscribe (free): iTunes, Google Podcasts, RSS, email Transgenic Metarhizium kills mosquitoes (Science) Hero: Veena Tandon Letters read on TWiP 172 Links for this episode: Become a patron of TWiP. Case Study for TWiP 172 Retired US Navy physician, lives aboard his sailboat, just finished doing remote medical volunteer work in C. America. In DR when has sudden onset of dull prog worsening epigastric lower abdominal pain. Over next 12 hr intensifies, near tears, went to local medical center. Admitted, given IV, probiotics. Febrile, elevated WBC 20,000, platelets low, white counts left shift. Initially some constipation, then diarrhea with some blood. Discharged without diagnosis; still fever and chills; rash rose colored spots on torso. Daniel gets involved; 3 day course of azithromycin, symptoms continue; then metronidazole, feels better, fever, pain, symptoms resolve. Wife is ok. Three men working on his boat, one had bloody diarrhea before the patient did. Keeps a bowl of nuts around. Send your case diagnosis, questions and comments to twip@microbe.tv Music by Ronald Jenkees
The Leishmaniacs solve the case of the Child With Band Keratopathy, and reveal a eukaryotic parasite with functional mitochondria but without mitochondrial genomes. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiP. Links for this episode: Elmer Pfefferkorn, 87 Eukaryotic parasite without mitochondrial genomes (Sci Adv) Hero: Charles Wardell Stiles Letters read on TWiP 171 Case Study for TWiP 171 By boat to remote village, young boy (<10) brought in by Mother, concerned about painless ulcer on leg. Hard nodular border, 2-3 cm. Originally seen by floating doctors a few months before, now back as ulcer is not healing. Non-tender, there is an area of hard, different color skin that surrounds lesion. Some nodularity, clean lesion, no undermining. Send your case diagnosis, questions and comments to twip@microbe.tv Music by Ronald Jenkees
The TWiPlicates solve the case of the Child With Retinal Granuloma, and discuss an association of the complement protein collectin-11 with the pathophysiology of Chagas disease. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiP. Links for this episode: Chagas disease pathophysiology and collectin-11 (PLoS NTD) Hero: Theobald Smith Image credit: Toxocara canis by Ben Liffner Letters read on TWiP 170 Case Study for TWiP 170 3 yo girl, same context: mobile clinic in Bocas del Toro archipelago. Small village on remote island. Initially had red eye, rubbing a lot, mother noticed she seemed to have vision loss. On exam ophthalmologist did fundoscopic exam, sees band keratopathy, calcium on the cornea, and outer retinal punctate lesions. Send your case diagnosis, questions and comments to twip@microbe.tv Music by Ronald Jenkees
The TriTWiPomonads solve the case of the Child Who Passed a Worm, and reveal recombination between bovine and human schistosome species. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiP. Links for this episode: S. bovis and S. haematobiumhybrids (PLoS Path) Hero: Ann Bishop Letters read on TWiP 169 Case Study for TWiP 169 9 yo boy brought into mobile clinic set up in small village Bocas del Toro archipelago. Initially had red painful eye a few months ago, lasted 1-2 weeks. Eye no longer red but has issues with vision in the eye. On eye exam, some peripheral vision, but no sharp clear vision. Notes retinal retraction, seems quiet granuloma over macula of affected eye. Send your case diagnosis, questions and comments to twip@microbe.tv Music by Ronald Jenkees
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Podcast Details

Created by
Vincent Racaniello
Podcast Status
Active
Started
Nov 13th, 2009
Latest Episode
Mar 29th, 2021
Release Period
2 per month
Episodes
193
Avg. Episode Length
About 1 hour
Explicit
No
Order
Episodic
Language
English

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