TWiP 201: Tiny and hairy

The TWiP team solves the case of the Man with a Cat and Ring Enhancing Lesions, and discuss domestic mammals as reservoirs for Leishmania donovani on the Indian subcontinent.

Hosts: Vincent Racaniello, Dickson Despommier, Daniel Griffin, and Christina Naula

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Links for this episode

• Reservoirs for Leishmania (Transboundary Emerg Dis)
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• Letters read on TWiP 201

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Case Study for TWiP 201

Older male, >65, abdominal pain over last several months, getting worse, otherwise feels well. No change in weight. Past medical, surgical unremarkable. Social: grew up in rural inland China. As adult lived in large city. Always active and healthy, eating fish and leafy vegetables. Move to US 10 years before illness. No pets. No toxic habits. HIV negative. Unremarkable exam. Labs: elevated white count, platelets low, not anemic. Differential on white count: neutrophils predominant. Gets belly CT: reveals mass in colon. Colonoscopy done, mass resected. Pathology: shows adenocarcinoma, but also eggs in sample. Slightly ovoid, 80 microns.

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Music by Ronald Jenkees