Difference between revisions of "Hobnail pattern"
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[[Image:Epithelioid_angiosarcoma_-_very_high_mag.jpg |thumb|right|250px| Hobnail pattern (epithelioid angiosarcoma). (WC/Nephron)]] | {{NoImageNotes|[[Image:Epithelioid_angiosarcoma_-_very_high_mag.jpg |thumb|right|250px| Hobnail pattern ([[epithelioid angiosarcoma]]). [[H&E stain]]. (WC/Nephron)]]}} | ||
'''Hobnail pattern''' is a [[morphologic pattern]] that is seen in a number of contexts. | [[Image:Lactational change - very high mag.jpg|thumb|right|250px|Hobnail pattern ([[lactational changes]]). [[H&E stain]]. (WC/Nephron)]] | ||
[[Image:Nephrogenic adenoma - very high mag.jpg|thumb|right|250px|Hobnail pattern ([[nephrogenic adenoma]]). [[H&E stain]]. (WC/Nephron)]] | |||
'''Hobnail pattern''' is a [[morphologic pattern]] that is seen in a number of contexts, including benign and [[malignant]]. | |||
==Definition== | ==Definition== | ||
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Other: | Other: | ||
*[[Angiosarcoma]]. | *[[Angiosarcoma]]. | ||
* | *Reactive endothelial cells in [[granulation tissue]]. | ||
*[[Kimura disease]]. | *[[Kimura disease]]. | ||
Latest revision as of 13:46, 25 February 2016
Hobnail pattern is a morphologic pattern that is seen in a number of contexts, including benign and malignant.
Definition
- Basement membrane area < area exposed to luminal surface.
Some considerations
Lung:
Breast:
Gynecology:
Kidney:
- Collecting duct carcinoma.
- Acquired cystic disease-associated renal cell carcinoma.
- Tubulocystic renal cell carcinoma.
Urinary bladder:
Other:
- Angiosarcoma.
- Reactive endothelial cells in granulation tissue.
- Kimura disease.
See also
References
- ↑ Piña-Oviedo, S.; Shen, SS.; Truong, LD.; Ayala, AG.; Ro, JY. (Jun 2013). "Flat pattern of nephrogenic adenoma: previously unrecognized pattern unveiled using PAX2 and PAX8 immunohistochemistry.". Mod Pathol 26 (6): 792-8. doi:10.1038/modpathol.2012.239. PMID 23328975.