Sat, 13 February 2016
Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Guest: Michael Libman The TWiP-scholars solve the case of the Housewife from Kolkata, discuss mutations in the IL17 gene associated with cerebral malaria, and hear a case presentation from guest Michael Libman.
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Case study for TWiP 103This week's case concerns a 42 yo male, refugee in Canada, from DRC, former Zaire, where there is unending civil war. Upper middle class, professor of French at university. Had been imprisoned, tortured, lived in jungle for a few years, reached refugee camp in Tanzania, moved to Canada. Came to health care system 15 months after arrived. Was sent to psych, unstable emotionally, delusions, hallucinations, depression, post traumatic issues. Was under psych care for ~1 yr, did not improve, became worse. Sent to hospital. History: talked about having minor injury, hurt lower back, pain there bothering him. Some anemia (normochromic), basic hem/chem/urine/liver nothing remarkable. Physical exam, nothing remarkable. HIV negative. Some evidence for chronic inflammatory condition: sed rate 60 (elevated), had diffuse increase in IgG, IgM. Developed some low level autoantibodies; anti-nuclear, p-anka, anti-neutrophil cytoplasmic antibodies. Slightly elevated fever for a few days, then few days or week with no fever. No eosinophilia. Radiology: on CT did have some mediastinal, aortic, axillae, lymphadenopathy. Prob screened in Africa for malaria and treated; prob also got ivermectin. Also got head MRI: not completely normal, classic nonspecific midbrain abnormality. Diffuse mild edema. Weight loss remarkable. No visual problems. Send your diagnosis to twip@microbe.tv Send your questions and comments to twip@microbe.tv |
Sat, 6 February 2016
Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin The TWiPyzoites solve the case of the Uncommon Parasite, and discuss the role of eosinophils in promoting the growth of Trichinella in skeletal muscle.
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Case study for TWiP 102This week's case involves a 24 yo housewife, from a village outside of Calcutta. Comes into a tertiary care hosp, 6 months coughing up blood, fever, no weight loss. Drinks rainwater, milks her cow. Dogs everywhere, no livestock except cows. Eats meat, well cooked. No extramarital encounters. Husband well. 4 children. Cistern for drinking water is covered. No health issues. Reports salty, clear mucus. No blood in stool, no changes in stool. Exam: looks healthy, lungs clear. Lab tests: White count of 9000, 12% eosinophils (elevated). So she has eosinophilia. Chest X-ray and CT: lesion on left side in xray. CT: shows 4 cm cavity, with air pocket on left side, mid-lung. HIV negative. Dusty soil, birds. Send your diagnosis to twip@microbe.tv Send your questions and comments to twip@microbe.tv |
Sat, 23 January 2016
Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin The doctors TWiP solve the case of the Woman with White Worms, and explain the role of a secreted growth factor from a carcinogenic parasite in wound healing and angiogenesis.
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Listener PickRamon - Ancient Rome was infested with parasites Case study for TWiP 101This week's case involves an uncommon parasite. Young girl, <10 y, brought in by parents from rural area to regional hospital with fever, diarrhea for 2 weeks. No blood in stool. Parents: few weeks prior to problems, young girls went with family on wild pig hunting trip. With guns. Girl did consume pig on trip, all meat was very well cooked. Was involved with preparation of meat with Mother only. No one else got sick. No surgery, no allergies. Both parents have diabetes. Has four brothers. Some weight loss. This is outside the US. Physical exam: low grade fever, diffuse mild abdominal discomfort, slight microcytic anemia, size of cells is slightly smaller than normal. WBC: normal, except no eosinophils. Blood cultures negative. Stool examination is where we get our answer. Send your diagnosis to twip@microbe.tv Send your questions and comments (email or mp3 file) to twip@microbe.tv |
Sat, 9 January 2016
Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin The TWiP trifecta solves the case of the Woman from Bolivia with Belly Pain, and discuss a method for population modification of malaria mosquitoes using a Cas9-mediated driver gene. Links for this episode:
Case study for TWiP 100This week's case is a 27 yo female, native NY, referred to outpatient at CU after seeing OBGYN, told had seen worms in stool and underwear. Inch or two in length, pale white, round, moving, 2-3 weeks of constant abdominal bloating. Sexually active. No particular diet. Travel: works for NGO, refugee camp in Ethiopian-Sudan border, southern Sudan. Last visit month ago. Noticed worms when she got back from last trip. Eats what local people eat. Raw food popular there: kitfo, raw steak tartare, with melted butter. Made from local beef. Did not take malaria prophylaxis, did not avoid local water, does wear sandals. College graduate. Nothing remarkable in family. CBC, liver, metabolic: all normal. Stool not normal: loose, no mucus or blood. Send your diagnosis to twip@microbe.tv Send your questions and comments (email or mp3 file) to twip@microbe.tv |
Sat, 5 December 2015
The TWiP trifecta solves the case of the Professor Who Went to Brazil, and discuss an amazing case of a tapeworm that turned into a tumor in an AIDS patient. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin
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Case study for TWiP 99 This week's case is a 53 yo woman visiting family in US, comes in with intense belly pain, right upper part of belly. Has become strict vegetarian after having breast cancer, on raw vegetable diet (carrots, collect plants in local markets). From Bolivia. Lives in agricultural area, avoids sheep, fearful of dogs. Housekeeper. Married, lives with husband. Noticed pain when came to US. Breast cancer: localized, removed lesion, no therapy, months ago. No allergies, family healthy. No insect bites, lives in concrete house. Physical exam: not febrile, right upper quadrant is very tender, some liver enlargement. CBC: 10,000 white count, mostly eosinophils, liver function: AST, ALT, AlkPhos all normal. Neuro exam: normal. Five months before this diet, she did have normal diet. Some meat, drank milk. Send your diagnosis to twip@twiv.tv ContactSend your questions and comments (email or mp3 file) to twip@twiv.tv SubscribeSubscribe to TWiP (free) in iTunes, by the RSS feed or by email TWiP is a MicrobeTV production |
Fri, 30 October 2015
The TWiP-lets reveal Balamuthia infection in the Children from Peru, and discuss resistance to pyrethroids revealed by RNA sequencing of Anopheles mosquitoes. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Links for this episode:
Case study for TWiP 98 This week's case is a Professor clinician, teacher, researcher. In his 50s, he presents with lesion on big toe, anterior portion, tip, nodular. No surrounding redness, area is itchy. Has a small central black area the size of pencil tip, concerned because feels is getting larger over last week. Spooky. Travels, last in Brasil, had been for a few weeks, noticed toe issue a week after returned. Spent time on beach, but wore flip flops. Different types of beaches, crowded and not crowded. Went with wife. Healthy man, no prior medical problems. Send your diagnosis to twip@twiv.tv ContactSend your questions and comments (email or mp3 file) to twip@twiv.tv SubscribeSubscribe to TWiP (free) in iTunes, by the RSS feed or by email |
Fri, 16 October 2015
The paratenic hosts reveal a case of scabies in the Traveling Salesman, and discuss a role for natural antibody in protection from infection with Plasmodium. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin
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Case study for TWiP 97 Daniel has two cases this week. Two people with similar presentations. A 12 yo girl in Peru presented for care with painless dark brown area on right knee. Has brothers and sisters, often play together. No trauma, but area is expanding. Months later develops cognitive changes. Second case is a 5 yo boy from the coastal region of Peru brought in by Mother, has red swollen area on face. Mom says while playing scratched nose, swelling right cheek, eye, nasal obstruction, no response to antibiotics. MRI of both show infiltrating process. Girl, left side of brain, middle cerebral artery territory. Boy in frontal region, midline area. Thus both skin lesions associated with infiltrating process in brain. Came into clinic months after lesions started, and lesions still present. Send your diagnosis to twip@twiv.tv ContactSend your questions and comments (email or mp3 file) to twip@twiv.tv SubscribeSubscribe to TWiP (free) in iTunes, by the RSS feed or by email
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Sat, 3 October 2015
The TWiPanosomes solve the case about the Young Woman who Went to Belize, and relate how sandfly saliva skews the immune response and increases risk of cutaneous leishmaniasis. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin
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Case study for TWiP 96 Daniel's patient for this week is male patient referred for consultation by OB-GYN: his wife is pregnant, has been admitted and is about the give birth. It is her first pregnancy. There are concerns about the husband's skin problem and whether it is a threat to his pregnant wife. No lesions on woman, husband recently developed itchy skin problem on his hands. Bilateral. Small papules on webs of fingers, brown lines, blood clots at ends, has clearly scratched the lesions. Skin between fingers is involved. Travels, often stays in cheap hotels. Beds not clean. Last trip 1 month before symptoms. Midwest travel. Family history of heart disease. Sales occupation. No animal exposure. Travels to medium to large cities. Send your diagnosis to twip@twiv.tv ContactSend your questions and comments (email or mp3 file) to twip@twiv.tv SubscribeSubscribe to TWiP (free) in iTunes, by the RSS feed or by email
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Fri, 18 September 2015
Vincent, Dickson, and Daniel solve the case about the 33 year old Chinese male with watery diarrhea, and discuss whether arsenic in drinking water might lead to treatment failures for Leishmania infections. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Links for this episode:
This episode is sponsored by ASMGAP. Case study for TWiP 95Daniel's patient for this week is a 28 yo single female, returns from beach vacation with new boyfriend. Two weeks in Central America (Belize). Often found secluded beaches. Good health, noticed upon her return had small nodules/papules on front of thighs. Thought were insect bites, became very itchy. Noticed serpiginous red lines forming, radiating out from bumps. Felt things moving in her skin. Benadryl did not help. Daniel say something similar occurs in Lima. Healthy, no allergies, surgeries, no relevant family history, using barrier contraception, sexually active. Only drinks alcohol socially. Boyfriend did not report symptoms. She did lie on sand, used thin fabric. Stayed in hotel. There were wild dogs on beach. During her stay she ate ceviche. No intestinal symptoms. Send your diagnosis to twip@twiv.tv ContactSend your questions and comments (email or mp3 file) to twip@twiv.tv SubscribeSubscribe to TWiP (free) in iTunes, by the RSS feed or by email |
Sat, 5 September 2015
Vincent, Dickson, and Daniel solve the case about the man from El Salvador, discuss the use of tyrosine kinase inhibitors to treat onchocerciasis and filariasis. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Links for this episode:
Case study for TWiP 94Daniel's patient was seen in the clinic. He is a 33 yo chinese male, from Chinatown NYC, for several months on and off has had watery diarrhea, headaches. Tried reflexology, chiropractic therapy, with no results. Has traveled quite a bit, been in Chile (was there a few months before). Came to US when young. Grew up in the US. In Chile, has had many sexual partners, >50, of both sexes, also has done many drugs. Two years ago was diagnosed with chronic HIV, CD4 count 685, on ARVs triple therapy, virus loads are well controlled. Has had syphilis, nose job, no medication allergies. Lives with family. On exam, afebrile, looks well. Symptom onset a few months after last Chile visit. Is an addventurous eater. Send your diagnosis to twip@twiv.tv ContactSend your questions and comments (email or mp3 file) to twip@twiv.tv SubscribeSubscribe to TWiP (free) in iTunes, by the RSS feed or by email
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This Week in Parasitism (science)
TWiP is a podcast about the tiny creatures that live in and on us.
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