Esophagus
Benign tumors
Schwannoma


Topic Completed: 1 February 2013

Revised: 15 February 2019

Copyright: 2003-2019, PathologyOutlines.com, Inc.

PubMed Search: Schwannoma esophagus

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Cite this page: Weisenberg E. Schwannoma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/esophagusschwannoma.html. Accessed May 23rd, 2019.
Definition / general
Case reports
Treatment
  • Excision, does not recur
Microscopic (histologic) description
  • Well circumscribed, composed of interlacing bundles of spindle cells interspersed with collagenous strands, scattered inflammatory cells with peripheral cuff of lymphoid aggregates, often PAS+ crystalloids; may exhibit nuclear atypia
  • No mitotic figures, no epithelioid features, no skenoid fibers
Microscopic (histologic) images

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Melanin pigment

Positive stains
Electron microscopy images

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Melanosomes at various stages of maturation

Premelanosomes stages II to IV

Differential diagnosis
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