Paraneoplastic dermatological manifestation of gastrointestinal malignancies

Figure 1 Hyperpigmented papillomatous plaques in left axial of a male patient with acanthosis nigricans.

Figure 2 “Tripe palms” keratoderma on the palms of the same patient.

Figure 3 Multiple eruptive seborrheic keratoses on the trunk of a 66-year-old patient with rectal adenocarcinoma.

Figure 4 Periorbital heliotrope erythema and edema in a patient with paraneoplastic dermatomyositis.

Figure 5 Violaceous plaques with erosions on the trunk of a patient with paraneoplastic pemphigus.