Sclerosing Retroperitoneal Fibrosis

What is Sclerosing Retroperitoneal Fibrosis?

Sclerosing retroperitoneal fibrosis is a relatively rare condition that is characterized by chronic inflammatory and fibrotic process in the retroperitoneum that can lead to compression of structures within the retroperitoneum.  What is the Pathology of Sclerosing Retroperitoneal Fibrosis? The pathology…
Obstructions of the Ureter

What are Obstructions of the Ureter?

Obstruction of the ureter is a blockage in one or both of the tubes (ureters) that carry urine from your kidneys to your bladder. Examples of obstructions of the ureter include: Sclerosing retroperitoneal fibrosis
Urothelial Carcinomas

What are Urothelial Carcinomas?

Urothelial Carcinomas are cancers that begin in cells called urothelial cells that line the urethra, bladder, ureters, renal pelvis, and some other organs. Urothelial cells are also called transitional cells. These cells can change shape and stretch without breaking apart.…
Fibroepithelial Polyp of the Ureter

What is Fibroepithelial Polyp of the Ureter?

Fibroepithelial polyp of the ureter is a rare benign tumor. They are an exophytic intraluminal mass of vascular connective tissue and variable inflammatory cells covered by normal urothelium. What is the Pathology of Fibroepithelial Polyp of the Ureter? The pathology…
Tumors of the Ureter

What are Tumors of the Ureter?

Tumors of the ureter are an abnormal growth of cells on the inside lining of the tubes (ureters) that connect your kidneys to your bladder. Examples of tumors of the ureter include:  Fibroepithelial polyp of the ureterUrothelial carcinomas
Inflammation of the Ureter

What is Inflammation of the Ureter?

Inflammation of the ureter is ureteritis.  Ureteritis is proliferative or reactive changes occurring in von Brunn nests which acquire luminal spaces, become cystically dilated (cystitis cystica), undergo glandular metaplasia (cystitis glandularis), or intestinal-type metaplasia. What is the Pathology of Ureteritis?…
Diverticula of the Ureter

What are Diverticula of the Ureter?

Diverticula of the ureter are acquired from false diverticula resulting from herniation of epithelium through the muscular layer of the ureter and characterized by the presence of multiple outpouchings smaller than 5 mm. It is sometimes bilateral and is often…
Ureteropelvic junction obstruction

What is Ureteropelvic Junction Obstruction?

Ureteropelvic junction obstruction is defined as an obstruction of the flow of urine from the renal pelvis to the proximal ureter.  What is the Pathology of Ureteropelvic Junction Obstruction? The pathology of Ureteropelvic junction obstruction is: -Etiology: The etiology of…
Bifid ureters

What are Bifid Ureters?

Bifid ureters is a congenital renal tract abnormality due to some error or disturbance during development. It is an example of incomplete duplication of the urinary collecting system. What is the Pathology of Bifid Ureters? The pathology of bifid ureters…
Double ureters

What are Double Ureters?

Double ureters or duplex collecting system is a congenital condition in which the ureteric bud, the embryological origin of the ureter, splits or arises twice. What is the Pathology of Double Ureters? The pathology of double ureters is: -Etiology: The…