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Difference between revisions of "Esophagus"
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→Weird stuff: more
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==Weird stuff== | ==Weird stuff== | ||
*Inflammatory polyp. | *Inflammatory polyp - assoc. trauma/previous intervention. | ||
*Giant fibrovascular polyp. | *Giant fibrovascular polyp - loose connective tissue covered with squamous epithelium. | ||
*Granular cell tumour. | *Granular cell tumour. | ||
*Squamous papilloma. | *Squamous papilloma - koilocytes. | ||
*Heterotopic gastric mucosa ("inlet patch"). | *Heterotopic gastric mucosa ("inlet patch") - benign appearing gastric mucosa. | ||
==Granular cell tumour== | |||
===General=== | |||
*Rare. | |||
*Usually benign. | |||
===Microscopic=== | |||
Features: | |||
*Abundant eosinophilic granular cytoplasm. | |||
===Special stains=== | |||
*PAS +ve. | |||
===IHC=== | |||
Features:<ref name=pmid20471560>{{Cite journal | last1 = Rekhi | first1 = B. | last2 = Jambhekar | first2 = NA. | title = Morphologic spectrum, immunohistochemical analysis, and clinical features of a series of granular cell tumors of soft tissues: a study from a tertiary referral cancer center. | journal = Ann Diagn Pathol | volume = 14 | issue = 3 | pages = 162-7 | month = Jun | year = 2010 | doi = 10.1016/j.anndiagpath.2010.01.005 | PMID = 20471560 }}</ref> | |||
*S100 +ve. | |||
*CD68 +ve (cytoplasmic). | |||
*Vimentin +ve (membranous). | |||
Images: | |||
*[http://commons.wikimedia.org/wiki/File:Granular_cell_tumor_(3)_skin.jpg GCT - skin (WC)]. | |||
*[http://commons.wikimedia.org/wiki/File:Granular_cell_tumor_(4)_S-100.JPG GCT - S100 (WC)]. | |||
==See also== | ==See also== | ||