Difference between revisions of "Talk:Dermatologic neoplasms"

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===Microscopic description===
===Microscopic description===
The sections show a thick collagen bundles in the dermis covered by a flat epidermis with basal hyperpigmentation (dermal scar).  This is surrounded by a cellular, poorly demarcated, dermal-based spindle cell lesion with a storiform pattern.  There is no significant atypia or mitotic activity.  The lesion extends to the deep margin (block A5) and, focally, contains adipose tissue within it.
The sections show thick collagen bundles in the dermis covered by a flat epidermis with basal hyperpigmentation (dermal scar).  This is surrounded by a cellular, poorly demarcated, dermal-based spindle cell lesion with a storiform pattern.  There is no significant atypia or mitotic activity.  The lesion extends, focally, to the deep margin (block A5) and contains adipose tissue within it (honeycomb pattern).
 
Immunohistochemical staining show that the lesion is strongly CD34 positive and negative for factor XIIIa.  


Immunohistochemical staining show that the lesion is CD34 strongly positive and weakly for factor XIIIa


===Final diagnosis===
===Final diagnosis===
Skin, left abdomen, re-excision:<br>
Skin, left abdomen, re-excision:<br>
DERMATOFIBROSARCOMA PROTUBERANS WITH POSITIVE DEEP MARGIN.<br>
-DERMATOFIBROSARCOMA PROTUBERANS WITH POSITIVE DEEP MARGIN, RE-EXCISION SUGGESTED.<br>
DERMAL SCAR.
-DERMAL SCAR.
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