Colorectal carcinoma
Channel: PATHOLOGY SKILL LABS
Date: 2023-04-01

n this video, we will discuss the gross and microscopic features of polyps and colorectal carcinoma, two common types of colorectal lesions.
Polyps are growths that arise from the lining of the colon or rectum and can be either benign or precancerous. Grossly, polyps can appear as small, raised, or mushroom-like structures on the surface of the colon. Microscopically, they can be classified into different types based on their histological features, such as hyperplastic, adenomatous, or serrated. Adenomatous polyps are of particular concern, as they can progress to colorectal carcinoma if left untreated.
Colorectal carcinoma is a malignant tumor that develops from the glandular cells lining the colon or rectum. Grossly, colorectal carcinoma can appear as a mass or lesion within the colon or rectum, with irregular borders and an infiltrative pattern. Microscopically, it can be classified into different histological subtypes based on its morphological features, such as well-differentiated or poorly differentiated adenocarcinoma, mucinous carcinoma, or signet ring cell carcinoma.
The accurate identification and characterization of polyps and colorectal carcinoma are essential for appropriate diagnosis and treatment planning. Screening tests, such as colonoscopy or fecal occult blood testing, can detect these lesions at an early stage when treatment is most effective. Histopathological analysis of biopsy specimens can provide valuable information on the gross and microscopic features of the lesions, which can guide treatment decisions and help predict patient outcomes.
By understanding the gross and microscopic features of polyps and colorectal carcinoma, healthcare professionals and patients can work together to prevent and treat these common and potentially life-threatening conditions.
#colonadenocarcinoma
#colonpolyps
#colorectalcancer 
#colonpolyposis