A male patient presented with granulomatous penile ulcer. On Wright geimsa stain tiny organisms of 2 microns within macrophages seen. What is the causative organism?: (A) LGV, (B) Calymmatobacterium granulomatis, (C) Neisseria, (D) Staph aureus
Answer is B. Ans. is 'b' i.e., Calymmatobacterium granulomatosis Investigations Tissue smearMade from a piece of crushed ulcer tissueStained with Giemsa or Leishman stainOrganisms appear as intracellular (in macrophages) "bipolar inclusions" - safety pin or telephone handle appearance.