case_images: PMC4772623_01
case_images: Left: gross picture of the sebaceous carcinoma of the back. Right: histology confirming sebaceous carcinoma with free margins.
case_images: cro-0009-0095-g01.jpg
case_images: PMC4772623_01_cro-0009-0095-g01.jpg
case_images: F1
case_images: A 56-year-old Ghanaian male with a medical history of hypertension presented to the emergency department complaining of fatigue, hematochezia, and back pain from a 7 x 7 x 4.2 cm exophytic, cauliflower-shaped, malodorous mass on his mid-thoracic back that increased in size over a period of 4 months (fig. 1a). The back mass was excised, and pathology revealed sebaceous carcinoma with free margins (fig. 1b).
case_images: Left: CT of the abdomen demonstrating a 9-cm mass in the ascending colon. Right: irregular wall thickening and heterogeneity in the rectum (arrow).
case_images: cro-0009-0095-g02.jpg
case_images: PMC4772623_01_cro-0009-0095-g02.jpg
case_images: F2
case_images: CT of the abdomen showed a 9-cm segment of mass-like thickening involving the ascending colon (fig. 2a), as well as irregular wall thickening and heterogeneity in the rectum (fig. 2b).
case_images: Histology demonstrating microsatellite instability in MSH2 and MSH6.
case_images: cro-0009-0095-g03.jpg
case_images: PMC4772623_01_cro-0009-0095-g03.jpg
case_images: F3
case_images: All three tumors demonstrated microsatellite instability in MSH2 and MSH6 (fig. 3).