PMC6224866_01
Esophagogastroduodenoscopy shows multiple gastric polyps with white tops and patches of necrotic appearing mucosa.
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F1
Esophagogastroduodenoscopy showed multiple gastric polyps with white tops and patches of necrotic appearing mucosa (Figure 1).
Gastric polyp biopsy showing atypical epithelioid and spindle cell population.
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F2
Biopsy of the gastric polyps showed extensive surface ulceration and necrosis with associated atypical epithelioid and spindle cell proliferation (Figure 2).
Histomorphology of the gastric polyp showing (A) negative calretinin immunostain of prior tumor and (B) immunostain of present tumor.
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F3
Although the immunohistochemical markers for sex cord-stromal tumors are negative, the histomorphology is similar to the patient's prior ovarian GCT (Figure 3).