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Difference between revisions of "Non-malignant skin disease"
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Non-malignant skin disease (view source)
Revision as of 13:48, 9 November 2012
, 13:48, 9 November 2012→Palmar fibromatosis: more
(→Palmar fibromatosis: more) |
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===Microscopic=== | ===Microscopic=== | ||
Features:<ref>URL: [http://surgpathcriteria.stanford.edu/softfib/plantar_fibromatosis/printable.html http://surgpathcriteria.stanford.edu/softfib/plantar_fibromatosis/printable.html]. Accessed on: 6 January 2011.</ref> | Features:<ref>URL: [http://surgpathcriteria.stanford.edu/softfib/plantar_fibromatosis/printable.html http://surgpathcriteria.stanford.edu/softfib/plantar_fibromatosis/printable.html]. Accessed on: 6 January 2011.</ref> | ||
*Poorly demarcated. | *Poorly demarcated, often multiple lesions/patchy. | ||
*Composed of bland spindle cells in dense collagen. | *Composed of bland spindle cells in dense collagen. | ||
**Pale grey cytoplasm. | **Pale grey cytoplasm. | ||
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DDx:<ref>URL: [http://surgpathcriteria.stanford.edu/softfib/palmar_fibromatosis/differentialdiagnosis.html http://surgpathcriteria.stanford.edu/softfib/palmar_fibromatosis/differentialdiagnosis.html]. Accessed on: 9 November 2012.</ref> | DDx:<ref>URL: [http://surgpathcriteria.stanford.edu/softfib/palmar_fibromatosis/differentialdiagnosis.html http://surgpathcriteria.stanford.edu/softfib/palmar_fibromatosis/differentialdiagnosis.html]. Accessed on: 9 November 2012.</ref> | ||
*[[Calcifying aponeurotic fibroma]] | *[[Calcifying aponeurotic fibroma]] - calcification, chondroid differentiation, usu. < 20 years old. | ||
*Extra-abdominal desmoid [[fibromatosis]]. | *Extra-abdominal desmoid [[fibromatosis]] - extremely rare on hands and feet, muscle infiltrative. | ||
*Inclusion body [[fibromatosis]]. | *Inclusion body [[fibromatosis]]. | ||
*[[Fibrosarcoma]]. | *[[Fibrosarcoma]] - atypia, necrosis, herring-bone pattern. | ||
*[[Synovial sarcoma]]. | *[[Synovial sarcoma]] - one mass. | ||
*[[Epithelioid sarcoma]]. | *[[Epithelioid sarcoma]] - necrosis, atypia. | ||
*[[metastasis|Metastatic]] metaplastic carcinoma, e.g. [[metaplastic breast carcinoma]]. | *[[metastasis|Metastatic]] metaplastic carcinoma, e.g. [[metaplastic breast carcinoma]]. | ||