pediatrics
Rhabdomyosarcoma
Location
Although rhabdomyosarcoma can occur almost anywhere in the body, the cancer has a predilection for several sites ( References ): Head and neck region (about 35%), usually in the orbit or nasopharyngeal passages: Most common among school-aged children Genitourinary system (about 25%), usually in the bladder, prostate, or vagina: Usually occurring in infants and toddlers Extremities (about 20%): Most common among adolescents Trunk/miscellaneous sites (about 20%) Approximately 15 to 25% of children present with metastatic disease. The lung is the most common site of metastasis; bone, bone marrow, and lymph nodes are other possible sites. 