History: A 55 year old female
with a rapidly growing palpable tender solitary mass of 2 months duration, in
the triceps muscle of the left arm.
The lesion is 3 cm in diameter. There is no history of trauma.
Poorly demarcated firm scarlike induration (3 cm x 2.5 x 0.5) involving muscle
and overlying muscle fascia.
Uni and binucleated ganglion-like cells.
Immunohistochemistry: Spindle cells are positive for smooth muscle actin but negative for desmin.
Ganglion-like cells are positive for vimentin but negative for smooth muscle actin and desmin.
Copyright © 2017 histopathology-india.net