Difference between revisions of "Anastomosing hemangioma of the kidney"
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==Microscopic== | ==Microscopic== | ||
Features: | Features: | ||
*Vascular tumour characterized by vessels that fuse/join (anastomose) - splenic sinusoids-like.<ref name=pmid27543862/> | *Vascular tumour characterized by vessels that fuse/join (anastomose) - also described as ''splenic sinusoids-like''.<ref name=pmid27543862/> | ||
**+/-[[Hobnail morphology]]. | **+/-[[Hobnail morphology]]. | ||
Revision as of 10:38, 25 November 2016
Anastomosing hemangioma a rare benign vascular tumour that is typically found in the kidney and may mimic angiosarcoma.[1]
General
- Rare - case reports.
Gross
Features:
- Mahogany/brown - centered on medulla of kidney.[2]
Microscopic
Features:
- Vascular tumour characterized by vessels that fuse/join (anastomose) - also described as splenic sinusoids-like.[2]
Note:
- Tumour may extend into surrounding adipose tissue.
DDx:
- Angiosarcoma - nuclear atypia, more proliferative activity.
IHC
Features:[2]
- CD31 +ve.
- CD34 +ve.
- HHV8 -ve.
See also
References
- ↑ Montgomery, E.; Epstein, JI. (Sep 2009). "Anastomosing hemangioma of the genitourinary tract: a lesion mimicking angiosarcoma.". Am J Surg Pathol 33 (9): 1364-9. doi:10.1097/PAS.0b013e3181ad30a7. PMID 19606014.
- ↑ 2.0 2.1 2.2 Kuroda, N.; Ohe, C.; Deepika, S.; Yorita, K.; Mikami, S.; Furuya, M.; Nagashima, Y.; Hes, O. et al. (Jun 2016). "Review of renal anastomosing hemangioma with focus on clinical and pathological aspects.". Pol J Pathol 67 (2): 97-101. PMID 27543862.