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Difference between revisions of "Talk:Pediatric pathology"
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Talk:Pediatric pathology (view source)
Revision as of 17:42, 3 February 2011
, 17:42, 3 February 2011→Microscopic
(Created page with "==Meconium peritonitis with remote perforation== ===Microscopic description=== The sections show small bowel with bowel wall necrosis, focal calcification, perforation and extens...") |
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===Comment=== | ===Comment=== | ||
The findings are consistent with a remote vascular injury. There are no histomorphologic findings to suggest Hirschsprung disease or cystic fibrosis. | The findings are consistent with a remote vascular injury. There are no histomorphologic findings to suggest Hirschsprung disease or cystic fibrosis. | ||
== JXG == | |||
===Microscopic description=== | |||
The sections show skin with a dermis that contains sheets of histocytes with abundant eosinophilic, focally vacuolated cytoplasm and occasional reniform nuclei and grooved nuclei. Foam cells and Touton giant cells are not identified. There are no eosinophils and no mitotic activity. The lesion extends to the deep margin and radial margin. The epidermis is thin, devoid of a cellular infiltrate and has normal maturation to the surface. | |||
Immunohistochemical staining with CD163 and CD68 show marked granular positivity. CD1a and CD207 (Langerin) only stain scattered cells of the epidermis (normal Langerhans cells) and is interpreted as negative. Mac387 stained the cytoplasm of scattered dermal cells and is interpreted as negative. | |||
===Final diagnosis=== | |||
Skin, scalp, biopsy - juvenile xanthogranuloma. | |||