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General
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Epidemiology
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Sites
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Clinical features
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Diagnosis
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Radiology
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Prognostic factors
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Case reports
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Treatment
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Clinical images
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Esophageal melanoma

4 cm mass protruding into the lower esophagus

Mass lesion - posterior wall of the lower esophagus

Well delimited pulmonary nodule

Three pigmented satellite polypoid lesions

Gross description
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Gross images
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Ulcerated, black, sessile polypoid tumor

Ulcerated and hemorrhagic tumor

Hyperpigmented remnants

Black ulcerated nodules

Micro description
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Micro images
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Large, sessile, polypoid melanoma

Tumor cells are epithelioid

Atypical junctional melanocytic hyperplasia

Focally pigmented tumor

In situ (left) and invasive (right) components

Lentiginous proliferation of atypical melanocytes

Nests of atypical melanocytes

Esophageal melanoma, H&E

H&E

Metastatic melanoma, H&E

Pigmented cellular tumor, H&E

H&E, HMB45

HMB45

Positive stains
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Negative stains
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Electron microscopy description
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Differential diagnosis
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Additional references
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End of Esophagus > Other malignancies > Melanoma



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