A 2-year-old boy from a peri-urban slum presents with 8 days of profuse watery diarrhoea (6–7 episodes/day), low-grade fever, and reduced appetite. No blood or mucus in stool. On examination, mild dehydration was noted, weight <3rd percentile. No clinical improvement after empiric treatment with antibiotics. Stool microscopy with modified Ziehl-Neelsen stain showed the following. Answer…

An 8-month-old boy from a peri-urban slum presented with frequent, loose and watery stools (6-7 episodes per day) for the past 2 months. His mother mentioned that he was fed formula and cow’s milk and was recently introduced to solids. On examination, he was stunted but otherwise healthy. A provisional diagnosis of persistent diarrhoea was…

A 33-year-old man from Bihar, residing in Salem, Tamil nadu for 10 years, presented with an 8-year history of erythematous chin lesions and upper-lip & right nostril involvement with swelling for 3 years. A biopsy from the lesion was sent for culture and subsequently PCR. The culture fluid showed the following on day 14. Answer…

A 62-year-old man from Tamil Nadu presented with a six-month history of nocturnal cough with shortness of breath.  He was previously diagnosed with chronic rhinosinusitis, and uncontrolled diabetes mellitus. Blood investigations revealed eosinophilia. A transbronchial lung biopsy revealed adenocarcinoma with mucinous features. Cytological analysis of BAL sample is provided below. Answer Follow the discussion in…

A 55-year-old man from a rural village in South India, presented with abdominal pain over 3 months, with episodes of nausea and vomiting and weight loss over the past month despite normal appetite. On examination, soft, distended abdomen with mild tenderness in the periumbilical region and blood counts showed eosinophilia. Stool sample was sent for…