case_images: PMC4386778_01
case_images: Swelling of the distal phalanx of the right middle finger without prior trauma or infection.
case_images: ccid-8-143Fig1.jpg
case_images: PMC4386778_01_ccid-8-143Fig1.jpg
case_images: f1-ccid-8-143
case_images: A 52-year-old man presented with a 12-month history of a swelling of the distal phalanx of the right middle finger without prior trauma or infection (Figure 1).
case_images: Intraoperative view of a cystic brown tumor with a soft consistency.
case_images: ccid-8-143Fig2.jpg
case_images: PMC4386778_01_ccid-8-143Fig2.jpg
case_images: f2-ccid-8-143
case_images: Intraoperatively, we observed a cystic brown tumor with a soft consistency (Figure 2).
case_images: PMC4386778_02
case_images: Low-grade papillary eccrine adenocarcinoma with intracystic macropapillary contents.
case_images: ccid-8-143Fig3.jpg
case_images: PMC4386778_02_ccid-8-143Fig3.jpg
case_images: f3-ccid-8-143
case_images: The histologic report disclosed an aggressive digital papillary adenocarcinoma with margins not free of tumor (Figures 3-6).
case_images: Small and monomorphic nuclei without necrosis.
case_images: ccid-8-143Fig4.jpg
case_images: PMC4386778_02_ccid-8-143Fig4.jpg
case_images: f4-ccid-8-143
case_images: The histologic report disclosed an aggressive digital papillary adenocarcinoma with margins not free of tumor (Figures 3-6).
case_images: Pan-cytokeratin positive staining in immunocytochemistry.
case_images: ccid-8-143Fig5.jpg
case_images: PMC4386778_02_ccid-8-143Fig5.jpg
case_images: f5-ccid-8-143
case_images: The histologic report disclosed an aggressive digital papillary adenocarcinoma with margins not free of tumor (Figures 3-6).
case_images: High proliferation activity in areas of solid tumor, Ki67 index 20%.
case_images: ccid-8-143Fig6.jpg
case_images: PMC4386778_02_ccid-8-143Fig6.jpg
case_images: f6-ccid-8-143
case_images: The histologic report disclosed an aggressive digital papillary adenocarcinoma with margins not free of tumor (Figures 3-6).
case_images: Postoperative view after tumor resection and coverage by full-thickness skin graft.
case_images: ccid-8-143Fig7.jpg
case_images: PMC4386778_02_ccid-8-143Fig7.jpg
case_images: f7-ccid-8-143
case_images: The defect was covered with a full-thickness skin graft (Figure 7).