Gonococcal Urethritis

What is Gonococcal Urethritis?

Gonococcal urethritis is the inflammation of the urethra and is a lower urinary tract.  What is the Pathology of Gonococcal Urethritis? The pathology of gonococcal urethritis is: -Etiology: The cause of gonococcal urethritis is Neisseria gonorrhoeae is the leading cause…
Small Cell Carcinoma of the Bladder

What is Small Cell Carcinoma of the Bladder?

Small cell carcinoma of the bladder is a very rare, poorly differentiated neuroendocrine epithelial bladder tumor characterized clinically by hematuria and/or dysuria and a highly aggressive course. What is the Pathology of Small Cell Carcinoma of the Bladder? The pathology…
Sarcoma of the Bladder

What is Sarcoma of the Bladder?

Sarcoma of the bladder is a variant of urothelial carcinoma that is  morphologically indistinguishable from sarcoma.  What is the Pathology of Sarcoma of the Bladder? The pathology of sarcoma of the bladder is: -Etiology: The cause of the sarcoma of…
Mixed Carcinoma of the Bladder

What is Mixed Carcinoma of the Bladder?

Mixed carcinoma of the bladder is mixed high- and low-grade carcinoma of the bladder. What is the Pathology of Mixed Carcinoma? The pathology of mixed carcinoma is: -Etiology: The etiology of mixed carcinoma is environmental exposure. -Genes involved: FGFR-3, Ras,…
Adenocarcinoma of the Bladder

What is Adenocarcinoma of the Bladder?

Adenocarcinoma of the bladder is carcinoma derived from the urothelium and showing pure glandular differentiation, not including urachal adenocarcinoma or urothelial carcinoma with glandular differentiation. What is the Pathology of Adenocarcinoma of the Bladder? The pathology of adenocarcinoma of the…
Carcinoma in Situ of the Bladder

What is Carcinoma in Situ of the Bladder?

Carcinoma in situ of the bladder is a flat lesion composed of cells in mid to upper epithelium with high cytologic grade. By definition, no invasion into lamina propria. What is the Pathology of Carcinoma in Situ of the Bladder?…
High Grade Papillary Urothelial Carcinoma

What is High-Grade Papillary Urothelial Carcinoma?

High-grade papillary urothelial carcinoma is neoplastic proliferation of the urothelium with a papillary configuration and no invasion beyond the basement membrane.  What is the Pathology of High-Grade Papillary Urothelial Carcinoma? The pathology of high grade papillary urothelial carcinoma is: -Etiology:…
High Grade Papillary Urothelial Carcinoma

What is Low-Grade Papillary Urothelial Carcinoma?

Low-grade papillary urothelial carcinoma is a urothelial neoplasm composed of papillary fronds, which exhibit an overall orderly appearance but have mild variability in architectural and/or cytologic features.  What is the Pathology of Low-Grade Papillary Urothelial Carcinoma? The pathology of low…
Papillary Urothelial Neoplasm of Low Malignant Potential

What is Papillary Urothelial Neoplasm of Low Malignant Potential?

Papillary urothelial neoplasm of low malignant potential is an exophytic (outward growing), (microscopically) nipple-shaped (or papillary) pre-malignant growth of the lining of the upper genitourinary tract (the urothelium), which includes the renal pelvis, ureters, urinary bladder, and part of the…