Dermatomyositis associated with gallbladder carcinoma: A case report

Figure 1 Physical examination. A: The skin lesions in the forehead and upper eyelids; B: The skin lesions in the neck; C: Erythema to the nail fold.

Figure 2 Abdominal computed tomography. Gallbladder carcinoma (long arrow) with lymph node metastasis (short arrow).

Figure 3 Biopsy of skin. Mild degree of hyperkeratosis, hair follicle angle plug, epidermal atrophy, basal cell liquefaction degeneration, dermal papilla edema, agglomerate lymphocytic infiltrate around vessels, and dermal adnexa.

Figure 4 Radical resection of the gallbladder was performed. A hard, whitish mass located at the fundus of gallbladder (long arrow) and a hard, pale lump was seen in the liver surface (short arrow), between the gallbladder and the inferior vena cava.

Figure 5 Histopathology of tumor. Low differentiated gallbladder adenocarcinoma, involving all layers of the gallbladder and infringing upon nerves.