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Difference between revisions of "Adipocytic tumours"
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→Pleomorphic lipoma: more
m (→Spindle cell lipoma: +images) |
(→Pleomorphic lipoma: more) |
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*Rare. | *Rare. | ||
*May mimic a malignancy.<ref name=pmid15510605>{{Cite journal | last1 = Persichetti | first1 = P. | last2 = Di Lella | first2 = F. | last3 = Marangi | first3 = GF. | last4 = Cagli | first4 = B. | last5 = Simone | first5 = P. | last6 = Tenna | first6 = S. | last7 = Rabitri | first7 = C. | last8 = Cassandro | first8 = R. | last9 = Esposito | first9 = V. | title = Pleomorphic lipoma: a definite histopathological entity. | journal = Anticancer Res | volume = 24 | issue = 5B | pages = 3157-9 | month = | year = | doi = | PMID = 15510605 }}</ref> | *May mimic a malignancy.<ref name=pmid15510605>{{Cite journal | last1 = Persichetti | first1 = P. | last2 = Di Lella | first2 = F. | last3 = Marangi | first3 = GF. | last4 = Cagli | first4 = B. | last5 = Simone | first5 = P. | last6 = Tenna | first6 = S. | last7 = Rabitri | first7 = C. | last8 = Cassandro | first8 = R. | last9 = Esposito | first9 = V. | title = Pleomorphic lipoma: a definite histopathological entity. | journal = Anticancer Res | volume = 24 | issue = 5B | pages = 3157-9 | month = | year = | doi = | PMID = 15510605 }}</ref> | ||
*Classically shoulder and neck region in adults.<ref>URL: [http://www.webpathology.com/image.asp?n=2&Case=435 http://www.webpathology.com/image.asp?n=2&Case=435]. Accessed on: 3 October 2011.</ref> | |||
===Microscopic=== | ===Microscopic=== | ||
Features: | Features: | ||
*Multinucleated cells - "floret cells". | *Multinucleated cells - "floret cells" - '''key feature'''. | ||
** | **Solid eosinophilic cytoplasm. | ||
**Peripheral nuclei - impart a knobby border to the cells. | |||
*Fibrous septa. | *Fibrous septa. | ||
Image: [http://www. | Image: | ||
*[http://www.webpathology.com/image.asp?case=435&n=1 Pleomorphic lipoma (webpathology.com)]. | |||
*[http://www.webpathology.com/image.asp?n=2&Case=435 Pleomorphic lipoma (webpathology.com)]. | |||
Notes: | Notes: | ||
*May overlap with ''spindle cell lipoma''.<ref name=spc_stanford>URL: [http://surgpathcriteria.stanford.edu/softfat/spindle_cell_lipoma/ http://surgpathcriteria.stanford.edu/softfat/spindle_cell_lipoma/]. Accessed on: 4 December 2010.</ref> | *May overlap with ''spindle cell lipoma''.<ref name=spc_stanford>URL: [http://surgpathcriteria.stanford.edu/softfat/spindle_cell_lipoma/ http://surgpathcriteria.stanford.edu/softfat/spindle_cell_lipoma/]. Accessed on: 4 December 2010.</ref> | ||
*Floret cell - may look similar to [[Touton giant cell]]s. | |||
==Spindle cell lipoma== | ==Spindle cell lipoma== | ||