case_images: PMC3964433_01
case_images: Upper Endoscopic View of the Middle Esophagus Shows Pigmented Lesion of the Mucosa
case_images: ircmj-16-7820-g001.jpg
case_images: PMC3964433_01_ircmj-16-7820-g001.jpg
case_images: fig8296
case_images: Conventional upper endoscopy showed black discoloration in the middle part of the esophagus (Figure 1).
case_images: A. Microscopic Section From the Surface Squamous Epithelium Shows Scattered Pigmented Cells Between the Keratinocytes. (H & E X400). B. Lamina Properia Shows Many Heavily Pigmented Cells. (H & E X250)
case_images: ircmj-16-7820-g002.jpg
case_images: PMC3964433_01_ircmj-16-7820-g002.jpg
case_images: fig8297
case_images: Hematoxylin and Eosin (H & E) sections showed increased numbers of pigment-laden dendritic melanocytes and deposition of coarse brownish black pigment within the basal layer of the squamous epithelium and also in the lamina properia (Figure 2 A, B).
case_images: The Above Mentioned Cells Positive by Masson Fontana Stain. (Masson Fontana X250)
case_images: ircmj-16-7820-g003.jpg
case_images: PMC3964433_01_ircmj-16-7820-g003.jpg
case_images: fig8298
case_images: These cells were positive by Masson Fontana (Figure 3).