<prompt> Antoni A Antoni B Patterns are seen inSchwannomaNeurofibromaMeningiomaTeratoma  <response>: Schwannoma Distinctive histologic patterns seen within the peripheral nerve sheath tumor Schwan noma include the Antoni A and Antoni B regions oThese are the classic microscopic appearances of a schwannoma, which is benign. oNote the more cellular Antoni A pattern on the left with palisading nuclei surrounding pink areas Verocay bodies. On the right is the Antoni B pattern with a looser stroma, fewer cells, and myxoid change. oNotice the whirly swirly pattern and how the cell nuclei are closely bunched together ... almost as if theyre forming a fence Verocay bodies. oSchwannomas are benign spindle cell tumors that occur along the edges of peripheral nerves.They can usually be removed without damaging the nerve itself. 