Difference between revisions of "Hobnail pattern"

From Libre Pathology
Jump to navigation Jump to search
 
(6 intermediate revisions by the same user not shown)
Line 1: Line 1:
[[Image:Epithelioid_angiosarcoma_-_very_high_mag.jpg |thumb|center|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==
Line 20: Line 22:
*[[Acquired cystic disease-associated renal cell carcinoma]].
*[[Acquired cystic disease-associated renal cell carcinoma]].
*[[Tubulocystic renal cell carcinoma]].
*[[Tubulocystic renal cell carcinoma]].
Urinary bladder:
*[[Nephrogenic adenoma]].<ref name=pmid23328975>{{Cite journal  | last1 = Piña-Oviedo | first1 = S. | last2 = Shen | first2 = SS. | last3 = Truong | first3 = LD. | last4 = Ayala | first4 = AG. | last5 = Ro | first5 = JY. | title = Flat pattern of nephrogenic adenoma: previously unrecognized pattern unveiled using PAX2 and PAX8 immunohistochemistry. | journal = Mod Pathol | volume = 26 | issue = 6 | pages = 792-8 | month = Jun | year = 2013 | doi = 10.1038/modpathol.2012.239 | PMID = 23328975 }}</ref>


Other:
Other:
*[[Angiosarcoma]].
*[[Angiosarcoma]].
*Endothelial cells in [[granulation tissue]].
*Reactive endothelial cells in [[granulation tissue]].
*[[Kimura disease]].
*[[Kimura disease]].



Latest revision as of 13:46, 25 February 2016

Hobnail pattern (epithelioid angiosarcoma). H&E stain. (WC/Nephron)
Hobnail pattern (lactational changes). H&E stain. (WC/Nephron)
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

  • Basement membrane area < area exposed to luminal surface.

Some considerations

Lung:

Breast:

Gynecology:

Kidney:

Urinary bladder:

Other:

See also

References

  1. 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.