E. Acanthosis nigricans – Explanation
Skin disorders associated with malignancy
Paraneoplastic syndromes associated with internal malignancies:
| Skin disorder | Associated malignancies |
| Acanthosis nigricans | Gastric cancer |
| Acquired ichthyosis | Lymphoma |
| Acquired hypertrichosis lanuginosa | Gastrointestinal and lung cancer |
| Dermatomyositis | Ovarian and lung cancer |
| Erythema gyratum repens | Lung cancer |
| Erythroderma | Lymphoma |
| Migratory thrombophlebitis | Pancreatic cancer |
| Necrolytic migratory erythema | Glucagonoma |
| Pyoderma gangrenosum (bullous and non-bullous forms) |
Myeloproliferative disorders |
| Sweet’s syndrome | Haematological malignancy e.g. Myelodysplasia – tender,
purple plaques |
| Tylosis | Oesophageal cancer |
