Human subcutaneous dirofilariasis is caused by filarial worms of the genus Dirofilaria. The parasites are transmitted to man by mosquitoes. We report three cases of human subcutaneous dirofilarias caused by Dirofilaria repens from Dibrugarh, Assam, north east India. The cases presented as subcutaneous nodules, on the chest, cheek and the anterior abdominal wall. Noting the frequency of the cases reported within 6 months, it is emphasized that subcutaneous dirofilariasis is a potentially emerging zoonosis in Assam and should be included in the differential diagnosis of patients presenting with subcutaneous nodules in Assam.
Melioidosis is sporadically reported from various parts of India. We present a case series from Assam, highlighting the varied manifestations of the disease. Three cases of culture-proven melioidosis are presented in whom Burkholderia pseudomallei were isolated from aspirate or blood. Melioidosis had a varied presentation involving multiple abscesses in the soft tissues, liver, spleen, mediastinum, and the subdural space. It presented as either acute fulminant sepsis or followed a chronic indolent course, mimicking tuberculosis. Most cases had predisposing risk factors such as diabetes and chronic alcoholism.
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