Sarcoma

An 11 year old child is referred by dermatology for surgical removal of a lesion on the left side of the back pictured below. The family reports that the child had a lesion in the area since birth. They note that it appears that a second lesion has developed over the last year. This lesion has become more nodular in appearance with time. The dermatologist had performed a punch biopsy that showed a spindle cell neoplasm with irregular spindle cells filling the reticular dermis that stained positive for CD34. What is the best next step in the management of this child? [center][/center] [size=20px]a Observation b Excisional biopsy with no margin c Wide loca…

[size=20px]A 8 year old boy presents with a solid 15 cm retroperitoneal extrarenal mass that appears to encase the right ureter and involve the inferior vena cava. Which of the following regarding retroperitoneal sarcomas is true? A there is no role for resection and reconstruction of the ureter or major vascular structures B liposarcoma is the most common histologic type C involvement of adjacent organs at the time of presentation is rare D initial complete resection carries a 50% recurrence rate E exploration with an attempt at primary resection should be performed[/size]

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[size=20px]A 8-year old boy is referred to you with a suspected inguinal hernia. Instead, on palpation of the scrotum you suspect a paratesticular mass. There are no enlarged lymph nodes palpable in the inguinal canal or on computerized tomography imaging of the abdomen and pelvis. For this patient with a paratesticular mass you recommend A transscrotal needle biopsy. B transscrotal open biopsy and sentinel lymph node sampling of inguinal nodes. C inguinal open biopsy. D inguinal open biopsy and sentinel lymph node sampling of inguinal nodes. E inguinal open biopsy and ipsilateral retroperitoneal lymph node dissection.[/size]