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Surgical Case Reports
Fig. 6 | Surgical Case Reports

Fig. 6

From: A giant pelvic solitary fibrous tumor with Doege–Potter syndrome successfully treated with transcatheter arterial embolization followed by surgical resection: a case report

Fig. 6

Immunohistochemical staining of insulin-like growth factor-II (IGF-II) and western blotting of high-molecular-weight IGF-II. a The tumor cells were positive for IGF-II staining. b Lane 1, serum collected from the patient on postoperative day 5; lane 2, serum collected from the patient preoperatively; lane 3, serum collected from a healthy control; lane 4, serum collected from a different patient diagnosed as IGF-II dependent non-islet cell tumor induced hypoglycemia as a positive control of high-molecular-weight IGF-II; lane 5, standard IGF-II (7.5 kDa). Large amounts of high-molecular-weight IGF-II (approximately 16 kDa) were detected in the serum collected preoperatively (lane 2) but not in serum collected postoperatively (lane 1)

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