Perianal Rhabdomyosarcoma

Rhabdomyosarcoma can originate from every position in body but rarely in perianal position. The disease found in children and adolescents. It was very difficult to diagnose before operation due to misdiagnosis with common perianal disease as abscess beside anus, anus fistula. Histopathological examination plays role in diagnosis, but there are some difficulties with this. Sometimes the diagnosis have to made on immunohistochemistry and electronic microscopic findings. It is necessary to implement histopathological examination to diagnose this condition, including in-operation rapid test. Treatment by surgery combining with radiotherapy and chemotherapy produce high survival rate

Appendiceal mucocele

On the occasion of one case of appendiceal mucocele, the authors studied on etiology, classification, clinical signs, diagnosis and treatment of this disease. Results: Appendiceal mucocele is a rare injury form of appendix, it stretches out and full of mucosity. It might be a benign or malignant injury. Clinical symptoms are not typical therefore it is difficult to diagnose before operating; most of the cases were discovered by accident. Recently, they can preoperative diagnose by ultrasound and CT scan. If the injury is benign, the appendix is removed simply, even through endoscopy, but if the injury is doubt to be malignant, it is necessary to resect the right colon. Although it is a malignant injury, the prognosis is still good as a colon cancer.