Access keys: skip to content (access key - 0) log in sign up quick search advanced search articles reference review clerkship guide devices proceedings ebooks msk medicine port notes tumor atlas writing workshop multimedia videos cases talks images news home announcements headlines education events industry literature perspectives community events ask an expert research viewpoints question bank web groups pages residency fellowships associations companies jobs tributes my orthopaedia my dashboard my communities my network about overview faqs managing editors editorial board content partners participating groups advisory board sponsoring organizations contact us browse pages blog labels attachments advanced dashboard > orthopaedia articles > tumor >… > rhabdomyosarcoma tools authors attachments (0) page history e-mail restrictions info link to this page… rhabdomyosarcoma definition and pathogenesis juvenile types embryonal rhabdomyosarcoma (70-80%): mainly affects children < 15 years of age occurring in the head and neck, gu tract, retroperitoneum and extremities (botryoid type: a variant of the embryonal type characterized by a grapelike growth pattern not occurring in the extremities, but in hollow visceral organs) alveolar rhabdomyosarcoma (10-20%): usually occurs between ages 10-25, responsible for a second incidence peak occurs with greater incidence in the extremities adult type pleomorphic rhabdomyosarcoma: peak incidence >45 years of age, occurring most commonly in the thigh pretreatment staging system stage    site*   invasiveness    size    nodes    metastases 1       favorable   t1 or t2       a or b    n0, n1        m0 2     unfavorable t1 or t2     a (<5cm)     n0           m0 3     unfavorable t1 or t2     b (>5cm)  n0, n1        m0 4        any site   t1 or t2     a or b      n0, n1        m1 * all extremity sites unfavorable intergroup rhabdomyosarcoma study clinical groups i localized, complete resection, no lns a) confined to nuscle/organ or origin b) tumor infiltration beyond muscle/organ of origin ii localized/regional disease, complete macrosc. viagra mail order generic viagra without prescription order viagra online cheap get free viagra pills buy generic viagra online order viagra without rx viagra cheap online canada order viagra order viagra without rx