PMC5586755_01
Electrocardiograms. a No ST-T abnormalities. b Diffuse ST segment depression.
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F1
Electrocardiography (ECG) revealed no significant ST-T abnormalities (fig. 1a). ECG this time showed diffuse ST segment depression (fig. 1b).
a Abdominal computed tomography showed a well-defined tumor about 6.7 x 6.8 cm at the left adrenal gland without calcification. b Pheochromocytoma cells stained with hematoxylin and eosin stain, at x400 magnification under a microscope. The tumor cells had small nuclei and abundant finely granular amphophilic cytoplasm and were arranged in solid nests and organoid patterns.
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F2
Abdominal computed tomography, which was performed to search for the infection source, revealed a well-defined tumor about 6.7 x 6.8 cm at the left adrenal gland (fig. 2a). He underwent left laparoscopic adrenalectomy, and the pathological findings confirmed our diagnosis (fig. 2b).