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 …

Jun 8, 2023 · 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 …

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 …

Answer 74 Question 75 During bladder catheterization in a newborn boy, the tip of the catheter came out through his enlarged umbilical stump. What is the diagnosis? Patent omphalomesenteric duct Patent …

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 …

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

May 24, 2021 · Invasive urothelial carcinoma with deceptively bland architecture and cytology, consisting of slit-like or tubular microcysts lined by cuboidal / flattened cells with minimal atypia and …

Jun 7, 2021 · Small bowel (small intestine) - Heterotopic gastric mucosa is defined as mature gastric tissue found outside the stomach where it is not normally found