PMC3420705_01
The mass involved external ear and projected from external auditory meatus. There was ragged erosion in mastoid air cells and external surface of mastoid bone.
CRIM.OTOLARYNGOLOGY2012-871235.001.jpg
PMC3420705_01_CRIM.OTOLARYNGOLOGY2012-871235.001.jpg
fig1
There was ragged erosion in mastoid air cells and external surface of mastoid bone (Figure 1).
The cells show a combination of shapes but a spindle or elongated morphology is evident overall. Strap cells that look like primitive muscle cells that classically describe in rhabdomyosarcoma are seen in this pictures.
CRIM.OTOLARYNGOLOGY2012-871235.002.jpg
PMC3420705_01_CRIM.OTOLARYNGOLOGY2012-871235.002.jpg
fig2
Two samples were prepared and sent to two different pathology laboratories, first pathologist reported granulation tissue and keratinizing squamous epithelium, while the second pathologist reported embryonal rhabdomyosarcoma (Figure 2).