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1. 裂肛：臨床症状、診断、および予防anal fissure clinical manifestations diagnosis prevention [show details]
…pile) at the distal end of the fissure and hypertrophied anal papillae at the proximal end. These features of a chronic fissure are attributed to chronic inflammation and subsequent fibrosis . Visualizing …
2. 肛門扁平上皮内病変：疫学、臨床症状、診断、スクリーニング、予防、治療anal squamous intraepithelial lesions epidemiology clinical presentation diagnosis screening prevention and treatment [show details]
… (cervical, vaginal, vulvar, penile, anal) tract. Anal neoplasia caused by HPV can manifest as preinvasive (squamous intraepithelial lesions [SIL]) or invasive (anal cancer) disease. The epidemiology, clinical …
3. 肛門癌の分類および疫学classification and epidemiology of anal cancer [show details]
…boundary of the internal sphincter muscle Externally, the anal canal is surrounded by the internal and external anal sphincter muscles . The anal canal is divided by the dentate (pectinate) line, a macroscopically …
4. 裂肛：外科的マネージメントanal fissure surgical management [show details]
… An anal fissure is a tear or ulceration in the lining of the anal canal below the mucocutaneous junction (dentate line) Most commonly caused by local trauma, anal fissures cause pain during defecation …
5. 肛門癌の治療treatment of anal cancer [show details]
… The term "anal cancer" usually refers to a squamous cell cancer (SCC) of the anal canal, which represents the majority of cancers arising in the anal region. However, SCCs can also arise in the perianal …