Acute partial # of the rib head, deep corner at the OCJ. The # line contains fibrinoid material and is associated with a short cartilaginous spur. Osteoclastic and mesenchymal
fibroblastic reaction to #.
fibroblastic reaction to #.
Srinivas Rao
@sranna86
Consultant, Perinatal & Paediatric Pathology, Alderhey Children鈥檚 Hospital UK. Teaching and learning - on a lifelong journey 馃槉馃檹
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Multifocal lesions in the kidney on radiology required NSS. Gross and histology of the lesions showed multiple perilobar Nephrogenic Rests only. Previously WT in the other kidney. @mreyesm @ERDENEROZER @dinesh_rakheja @olopeznu @martiponi @LauraGalluzzo1 @DrGeeONE @luishcruzc
Fetal hydrops at term due to Parvovirus B19 infection. Marked pallor of skin and all internal organs. Histology from rib and placenta. @ERDENEROZER @mreyesm @dinesh_rakheja @vhnguyenmd @luishcruzc @smlungpathguy @emckaymd @martiponi @MLegiste @MidwestVetPath @PathologySayah
Immunos show membranous beta-Catenin in the fetal HB, but nuclear staining in the small round blue cell islands, they are also INI-1 positive, hence are embryonal HB rather than SCUD.
Final diagnosis: post-chemotherapy epithelial HB with fetal and embryonal componentsView quoted post on X
Histology showed residual viable epithelial islands - fetal type. Occasional islands of small round blue cells were also present, ?SCUDView quoted post on X