Pathology Outlines - Squamous cell carcinoma
Dec 7, 2021 · Esophageal squamous cell carcinoma (ESCC) is the most common esophageal cancer worldwide. Distinct from esophageal adenocarcinoma in terms of cell origin, epidemiology, etiology, pathogenesis and location in the esophagus. Rich lymphovascular network facilitates early tumor spread. Early diagnosis is critical to improve survival and endoscopic ...
Pathology Outlines - SCC-general
Feb 2, 2024 · Answer B is incorrect because granular cells are not present in the connective tissue. Granular cell tumors may show pseudoepitheliomatous hyperplasia, which can be mistaken for squamous cell carcinoma. Answer C is incorrect because mucous cells and intermediate cells are not seen. Comment Here Reference: SCC-general.
Pathology Outlines - Keratoacanthoma / SCC keratoacanthoma type
Sep 22, 2023 · Definition / general. Keratoacanthoma (KA) is a well differentiated, cutaneous squamous cell carcinoma, which often spontaneously regresses. Regression is thought to be due to immune mediated destruction of squamous cells. For lesions that are entirely resected, can diagnose as "well differentiated squamous cell carcinoma, keratoacanthoma type”.
Pathology Outlines - HPV associated squamous cell carcinoma-vulva
Feb 6, 2024 · Essential features. Stromal invasive squamous cell carcinoma. p16 block type positivity or positive molecular testing (PCR or ISH) for HPV. Coincident HPV associated vulvar intraepithelial neoplasia (VIN) (desirable) ICD coding. ICD-O: 8085/3 - squamous cell carcinoma, HPV positive. ICD-10: C51 - malignant neoplasm of vulva.
Pathology Outlines - Sinonasal carcinoma-general
Jun 29, 2023 · Sinonasal carcinomas are a rare and heterogeneous group of malignancies that develop in the nasal cavity and the paranasal sinuses with diverse histology. Most common are sinonasal squamous cell carcinoma and intestinal type adenocarcinomas. Clinical presentation of sinonasal malignancies is usually nonspecific and diagnosed at advanced stages ...
HPV associated cervical squamous cell carcinoma
Dec 11, 2023 · Essential features. Most common type of cervical carcinoma. Most cervical squamous cell carcinomas are associated with high risk human papillomavirus (HPV) and arise from a precursor lesion, high grade squamous intraepithelial lesion (HSIL) Predominantly associated with HPV 16 and HPV 18 (HPV 16 > HPV 18) More common in low resource …
Pathology Outlines - Verrucous carcinoma
Jun 8, 2023 · Papillary squamous cell carcinoma. Squamous cell carcinoma (SCCa) may arise within verrucous carcinoma. Overt evidence of connective tissue invasion lacking intact basement membrane; SCCa shows infiltrative nests of epithelium and may invade into or around nerves, blood vessels or salivary glands.
Pathology Outlines - Squamous cell carcinoma
Sep 23, 2024 · Radiology description. Sinonasal squamous cell carcinoma shows a soft tissue mass characterized by prominent bony destruction on computed tomography (CT) (J Clin Med 2017;6:116, Head Neck Pathol 2016;10:1) Magnetic resonance imaging (MRI) shows intermediate T1 signal intensity and hypointense T2 signal.
Pathology Outlines - Invasive urothelial carcinoma
May 13, 2021 · Invasive urothelial carcinoma involving the lamina propria (T1) is often treated with conservative intravesical therapy and mucosal resection (Ann Diagn Pathol 2007;11:395) Invasive urothelial carcinoma involving the muscularis propria (T2) is often treated with radical cystectomy (Ann Diagn Pathol 2007;11:395)
Pathology Outlines - Basal cell carcinoma
Dec 15, 2020 · Definition / general. Basal cell carcinoma (BCC) arises from the interfollicular or follicular epithelium. Most common malignant tumor type in humans. Local aggressive course. Low disease associated death rate; metastases to lung and bone exceptionally rare.