Female 73 years

Long-standing lesion on the scalp.

Female 39 years

Past history of inguinal inflammation. The biopsy corresponds to an indurated area of the right gluteal region that developed after numerous episodes of suppuration.

Female 47 years

Woman with a cystic lesion in her neck.

Male 47 years

Pretibial "cyst".

Male 59 years

Pruriginous perianal plaque (8.6 x 7.5 cm) since one year.

Female 96 years

Recent inflammation of comedones on the lower eyelid, present for two years. Homolateral hemifacial herpes zoster 3 years ago.

Male 65 years

Cupuliform erythematous lesion on the nose.

Female 83 years

Reticulated erythema on her breasts, back and proximal portion of the arms.

Female 43 years

Angiomatous lesion on the forearm.

Male 56 years

BRAF-mutant metastatic colon adenocarcinoma. Three weeks after the start of treatment, deep inflammatory nodules (4 to 10 mm in diameter) appear on the abdomen and legs, associated with arthralgia one week later.