Squamous cell carcinoma in actinically damaged skin: Since a few months, slowly growing, very firm, not very pain-sensitive, ulcerated nodule; pronounced field carcinoma.
Squamous cell carcinoma of the skin: slowly growing for 6 months, sliding on the surface, 2.0 cm in diameter, hard, painless, bowl-shaped nodule with a hard ulcerated centre in the orbital region; no regional lymph node swelling.
EndemicKaposi 's sarcoma Multiple, chronically stationary, since 2 years imperceptibly growing, 1.0-4.0 cm large, firm, indolent, blue-black, smooth nodules on unchanged skin in the area of the lower leg in an elderly patient.
Angiosarcoma, epitheloid. condition after surgical removal of the nail for tissue sampling. bleeding tumour grown under the big toe nail, livid to brownish-red. rapid organ metastasis with lethal outcome within 6 months.
Granuloma eosinophilicum faciei. red lump in the area of the cheek in a child, existing for months, not painful. slow progression of size. here typically a somewhat "punched" surface.
Hidradenitis suppurativa. development of eminently chronic, abscessed fistula ducts with inverse pattern of infection, especially on the perineum, scrotum, scrotal root, perianal region, pubic region, inner and outer sides of the thigh. Axilla, upper arm and chest region were also affected. Characteristic is the development of hypertrophic scars and contractures.
Carcinoma cuniculatum: Advanced verrucous carcinoma of the sole of the foot (here heel region), which has existed in its early stages for >2 years. No significant pain symptoms. No regional lymph node metastases detectable.
Ulcerated squamous cell carcinoma: cauliflower-like, firm, less pain-sensitive, eroded and ulcerated, weeping nodule, which has been present for > 1 year and is constantly enlarging.
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