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

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Download TWiP #191 (48 MB .mp3, 80 minutes)

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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. 

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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

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Download TWiP #190 (57 MB .mp3, 94 minutes)

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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. 

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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

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Download TWiP #189 (63 MB .mp3, 105 minutes)

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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.

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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

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Download TWiP #188 (54 MB .mp3, 90 minutes)

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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.

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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

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Download TWiP #187 (46 MB .mp3, 77 minutes)

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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. 

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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

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Download TWiP #186 (49 MB .mp3, 81 minutes)

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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. 

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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

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Download TWiP #185 (38 MB .mp3, 64 minutes)

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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.

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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

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Download TWiP #184 (38 MB .mp3, 64 minutes)

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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

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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

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Download TWiP #183 (44 MB .mp3, 72 minutes)
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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.

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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

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Download TWiP #182 (46 MB .mp3, 75 minutes)
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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