HONGKAI GAO

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Vasoactive intestinal peptideoma (VIPoma) is a rare pancreatic endocrine tumor associated with a well‑defined clinical syndrome characterized by watery diarrhea, hypokalemia and metabolic acidosis. In adults, VIPoma is most commonly found in the pancreas, with 80% of the tumors occurring in the body and tail and 20% occurring in the pancreatic head. VIPomas(More)
The blood supply system of the optic chiasma was studied in 85 fresh human specimens using various histological and anatomical methods. Computer image analysis and ultrastructural examinations of the microvessel in 58 fetal specimens were also conducted. The authors found that the medial portion of the chiasma is a weak point in the microcirculation(More)
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