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H&E stain. A leiomyoma, also known as a fibroid, is a benign smooth muscle tumor that very rarely becomes cancer (0.1%). They can occur in any organ, but the most common forms occur in the uterus, small bowel, and the esophagus. Polycythemia may occur due to increased erythropoietin production as part of a paraneoplastic syndrome .
H&E stain. Hereditary leiomyomatosis and renal cell carcinoma ( HLRCC) or Reed's syndrome is rare autosomal dominant disorder associated with benign smooth muscle tumors and an increased risk of renal cell carcinoma. It is characterised by multiple cutaneous leiomyomas and, in women, uterine leiomyomas. It predisposes individuals to renal cell ...
Colorectal polyp. Colon polyps. Polyp of sigmoid colon as revealed by colonoscopy. Approximately 1 cm in diameter. The polyp was removed by snare cautery. Specialty. Gastroenterology. A colorectal polyp is a polyp (fleshy growth) occurring on the lining of the colon or rectum. [ 1] Untreated colorectal polyps can develop into colorectal cancer.
551,000 (2018) [ 8] Colorectal cancer ( CRC ), also known as bowel cancer, colon cancer, or rectal cancer, is the development of cancer from the colon or rectum (parts of the large intestine ). [ 5] Signs and symptoms may include blood in the stool, a change in bowel movements, weight loss, abdominal pain and fatigue. [ 9]
Gastrointestinal stromal tumors ( GISTs) are the most common mesenchymal neoplasms of the gastrointestinal tract. GISTs arise in the smooth muscle pacemaker interstitial cell of Cajal, or similar cells. [ 2] They are defined as tumors whose behavior is driven by mutations in the KIT gene (85%), [ 2] PDGFRA gene (10%), [ 2] or BRAF kinase (rare).
Prognosis. Improve after menopause [ 1] Frequency. ~50% of women by age 50 [ 1] Uterine fibroids, also known as uterine leiomyomas or fibroids, are benign smooth muscle tumors of the uterus, part of the female reproductive system. [ 1] Some women with fibroids have no symptoms while others may have painful or heavy periods. [ 1]
Cutaneous leiomyoma, also known as leiomyoma cutis, [ 1] or cutaneous leiomyomata, [ 2] is a benign skin tumor made of smooth muscle cells. [ 3] There are three different types of cutaneous leiomyomas, genital leiomyomas, angioleiomyomas, and piloleiomyomas. Cutaneous leiomyomas can occur sporadically or as a part of a genetic condition.
1 in 10,000 - 15,000. Familial adenomatous polyposis ( FAP) is an autosomal dominant inherited condition in which numerous adenomatous polyps form mainly in the epithelium of the large intestine. While these polyps start out benign, malignant transformation into colon cancer occurs when they are left untreated.