<prompt> Fish hook pattern of capillaries is seen inCapillary hemangiomaCavernous hemangiomaAngiosarcomaHemangiopericytoma  <response>: Ans. d HemangiopericytomaRef: Sternbergs Diagnostic Surgical Pathology, 5th Edition, table 511HemangiopericytomaTumor derived from pericytes Q - perivascular cells that wrap around blood capillariesThese tumors most commonly arise from pelvic retroperitoneum Q or the limbs Q particularly thighs.Capillaries are arranged in fish-hook pattern; Q seen best with silver stains Q 