Case Number : Case 541 - 5 July Posted By: Guest

[b]Phillip H McKee - Overseas Consultations (Cave Creek, AZ, United States) Wrote:[/b]

Reticulohistiocytoma is the correct diagnosis. The giant cells with ground-glass cytoplasm is an absolute give away. It is critical to check whether this is a solitary lesion or if represents part of a systemic disease. Do not be mislead by emperipolesis. Although characteristic of Rosai Dorfman disease, it can be seen in many other conditions. Xanthogranuloma (and its variants) is typified by foamy Touton giant cells.

[size=2]Submitted on 05/07/2012 15:33[/size]
[b]Marie MD - () Wrote:[/b]

Emperipolesis in hi power view. I'm going with Rosai-Dorfman dz.

[size=2]Submitted on 05/07/2012 15:22[/size]
[b]Engin Sezer - (Istanbul) Wrote:[/b]

Adult type xanthogranuloma (based on wreath like multinucleated foamy cells in figs. 2 and 3) is also in differential diagnosis, however I feel that nevertheless both xanthogranuloma and fibrous histiocytoma probably represent a reactive phenomenon.

[size=2]Submitted on 05/07/2012 14:10[/size]
[b]Azza - () Wrote:[/b]

Solitary reticulohistiocytoma

[size=2]Submitted on 05/07/2012 13:51[/size]
[b]Mona Abdel Halim - () Wrote:[/b]

Solitary reticulohistiocytoma.

[size=2]Submitted on 05/07/2012 13:28[/size]
[b]Hanan - E Wolfson Medical Center (Israel ) Wrote:[/b]

Reticulohistiocytoma

[size=2]Submitted on 05/07/2012 12:36[/size]
[b]I. Abdul-kadir (ST2 histopath) - ST2 - York Hospital (UK) Wrote:[/b]

Dermatofibroma ?with monster cells.

[size=2]Submitted on 05/07/2012 12:25[/size]
[b]Hazem Hamed - Imperial College (London) Wrote:[/b]

Reticulohistiocytoma. DD Xanthogranuloma.

[size=2]Submitted on 05/07/2012 12:11[/size]
[b]Engin Sezer - (Istanbul) Wrote:[/b]

Epithelioid fibrous histiocytoma

[size=2]Submitted on 05/07/2012 12:10[/size]