Case Number : Case 470 Posted By: Guest

[b]Hazem Hamed - Deprtment of Histopathology, Imperial College (London) Wrote:[/b]

Sorry I meant DR Phillip McKee.

[size=2]Submitted on 30/03/2012 11:25[/size] [b]Hazem Hamed - Department of Histopathology, Imperial College (London) Wrote:[/b]

Phillip McKee. I would like to consider the possibility of pleomorphic hyalinising angioectatic tumour of soft parts. I think careful examination (edge of tumour, more angiectatic vessels,.....). Also this tumour is strongly positive for CD34.

[size=2]Submitted on 30/03/2012 11:23[/size] [b]Phillip McKee - Overseas Consultations (Cave Creek, Arizona, USA) Wrote:[/b]

Those of you who diagnosed solitary fibrous tumor can go to the top of the class!!! This was a very difficult case. The tumor is typified by a random spindled cell bland infiltrate devoid of any real pattern. A storiform growth pattern for example would be very much against the diagnosis. In the top two figures, cellular and hypocellular foci are shown. This is a typical feature. The hyalinization often having a star-like appearance is a very useful clue to the diagnosis. Many examples have a hemangiopericytomatous vasculature which wasn't really evident in this case. the tumor cells showed very strong CD34 expression.

[size=2]Submitted on 29/03/2012 05:22[/size] [b]Pablo Ortega - (Loja-Ecuador) Wrote:[/b]

low grade fibromyxoid sarcoma?

[size=2]Submitted on 29/03/2012 00:02[/size] [b]Rodrigo Restrepo - UPB/CES (Mdlln/Col) Wrote:[/b]

Solitary fibrous tumor

[size=2]Submitted on 28/03/2012 23:02[/size] [b]Marie MD - () Wrote:[/b]

solitary fibrous tumor

[size=2]Submitted on 28/03/2012 17:44[/size] [b]Izzat Abdul-kadir - ST2 - York Hospital (UK) Wrote:[/b]

There are vessels surrounded by "hyaline" surrounded, in turn, by monomorphic, small oval cells. I would bet on a solitary fibrous tumour. Is CD34 positive?

[size=2]Submitted on 28/03/2012 17:28[/size] [b]Eman El-Nabarawy - (Egypt) Wrote:[/b]

Solitary fibrous tumor.

[size=2]Submitted on 28/03/2012 17:11[/size] [b]Mona Abdel Halim - Dermatology Dept. Cairo Univ. (Egypt) Wrote:[/b]

I thought of solitary fibrous tumor.

[size=2]Submitted on 28/03/2012 16:29[/size] [b]Zena Slim (SpR Histopath) - () Wrote:[/b]

I would think of a GLOMUS TUMOUR and do IHC. DD- Glomangiopericytoma, Myopericytoma and Solitary fibrous tumour

[size=2]Submitted on 28/03/2012 15:40[/size] [b]Richard Carr - Warwick (UK) Wrote:[/b]

The dreaded soft tissues! Like suggestion of ancient schwannoma and OFMT (very much!) Probably latter (I have personal little experience). Cellular angiofibromas can show these ancient vascular changes too.

[size=2]Submitted on 28/03/2012 12:52[/size] [b]Yüksel Okumuş - Bursa State Hospital (Turkey) Wrote:[/b]

Solitary fibrous tumor. The second possibility is ancient schwannoma

[size=2]Submitted on 28/03/2012 12:12[/size] [b]ANDREW DANCKWERTS - (JOHANNESBURG, RSA) Wrote:[/b]

OSSIFYING FIBROMYXOID TUMOUR (OFMT) OF SOFT TISSUE.

[size=2]Submitted on 28/03/2012 12:07[/size]