Dec 11, 2023 · The urachus, originated from remnants of allantois, is a fibrous cord connecting the umbilicus to the anterosuperior aspect of the bladder dome; usually obliterates at birth and becomes …

Apr 10, 2024 · The urachus is a fibrous cord extending from the bladder wall to the umbilicus; along the free surface of the bladder urachus, carcinoma is frequently amenable to partial cystectomy if it …

Aug 27, 2025 · Embryonic remnants are normal findings in the placenta and can be encountered in routine histology of the umbilical cord and gross examination of membranes / chorionic plate.

Jun 1, 2011 · Microscopic (histologic) description Allantois: rudimentary structure lined by endoderm that is connected to urachus Urachus: formed during descent of abdominal wall, connects umbilicus to …

Cytology: cytology-general, normal findings & biomarker testing cytology-neoplastic cytology-nonneoplastic Paris system for urothelial neoplasia Congenital anomalies: arteriovenous …

Aug 12, 2021 · Bladder, ureter & renal pelvis - Adenocarcinoma: defined as carcinoma derived from the urothelium and showing pure glandular differentiation; not including urachal adenocarcinoma or …

Feb 20, 2025 · BCL2 gene is a proto-oncogene located at Chromosome 18q21.33 composed of 4 exons; BCL2 protein is a 25 kDa protein product of BCL2 gene

Dec 17, 2021 · Meckel diverticulum (MD) is a congenital disorder caused by incomplete obliteration of omphalomesenteric duct (also called vitelline duct) which results in a true diverticulum, typically …

Jan 16, 2026 · Stains & molecular markers - GATA3 Nuclear marker with expression in many epithelial neoplasms (including most breast, urothelial, paraganglioma / pheochromocytoma and skin …

Jul 30, 2021 · Salivary glands - Adenoid cystic carcinoma A carcinoma of primary salivary gland or minor salivary gland of upper aerodigestive tract characterized by its biphasic ductal and myoepithelial …