Etiology
- Pituitary adenoma
- Ectopic production (pancreas, bronchial)
Skin symptoms
- Thickening of the dermis with deposits of glycosaminoglycans (hyaluronic acid, but also chondroitin-4 and 6-sulfate)
- Face: deep wrickles, infiltration and edema of the eyelids, enlargement of the nose and ears, thick lips, prognathism
- Scalp deep furrows → cutis verticis gyrata
- Epidermal dyperplasia and appendages are also often present
- Hyperhidrosis
- Hypertrichosis
- Nails thick and hard
- Diffuse melanoderma
- Molluscum pendulum
- Acanthosis nigricans
Extra-cutaneous symptoms
- Arthralgias
- Headaches
- High blood pressure
- Dysmorphic syndrome
- Carpal tunnel
- Organomegaly (heart, liver, colon, kidney, spleen, thyroid, tongue)