Personal pathological antecedents: chicken pox at four years old.
Heredo-collateral antecedents: healthy parents, 3 healthy brothers, an aunt, related to her mother, with psoriasis. 
Anamnesis. The onset was 2 weeks before, with an erythematous rash at the abdominal level. She went to the dermatologist who recommended a local treatment with Fluocinolone ointment and magistral prescription with salicylic acid, urea and jelly. The rash generalized: squamous patches appeared and subsequently she was admitted to our clinic.
When admitted: no fever, weight= 20 kg, fair general state, erythematous rash in patches, erythematous plaques covered with silvery, thick, easily exfoliating, not painful, non-pruriginous squamae, with the presence of Auspitz signs and white spots, at the level of scalp, earlobes, retro-auricular, anterior and posterior torso, abdomen, lower and upper limbs; pustules surrounded by red skin at the axillary, genital and inguinal level. Pulmonary - normal, normal heartbeat, CF=98/min, supple abdomen, liver 1 cm below costal margin, based-flared thorax, tooth caries (Fig.1).
Investigations. Hemogram: Hb= 12.2g%, Tr= 236000/mm3, L= 16000/mm3, NS=62%, Ly=32%, M=6%, VSH= 7/14 mm after 1/2 hours, fibrinogen= 397 mg/dl, CRP= 0.4 mg/l, creatinine= 0.4 mg/dl, uric acid = 3.53 mg/dl, glycemia= 82 mg/dl, calcemia= 8 mg/dl, total serical proteins= 6.5 g/dl, sideremy= 103 mg/dl, GOT= 19 U/l, GPT= 14 U/l, negative coproparasitary examination, normal urine summary examination, ASLO= 116.86UI. Immunogram: IgA= 76.67 mg/dl, (N=70-400), IgG= 865.5 mg/dl (N=700-1600), IgM= 167.2 mg/dl (N=100-230), pharyngeal exudate: absent streptococcus, staphylococcus, nasal exudate: present staphylococcus aureus, sensitive to: Biseptol, Linezolid, Gentamicin, Vancomycin, resistant to: Penicillin, Clarithromycin, Oxacillin. Normal abdominal ultrasound. 
Dermatologic examination: psoriasis vulgaris in patches and plaques. Cutaneous biopsy / histopathological examination - microscopic examination: epidermis with orthokeratosis, large areas of hypo- and agranulocytosis, acanthosis, mild perivascular chronic inflammatory infiltrate in the dermis. The HP aspect most probably suggests psoriasis vulgaris (Fig.2, Fig.3).
The patient received a local treatment recommended by the dermatologist, with magistral prescription with salicylic acid, ihtiol, vitamin A, vitamin E, Advantan cream - applied once per day and Diprosalic scalp application. 
Starting with the 3rd day of the treatment, the patient presented progressive desquamation of the squamae. She was discharged after 7 days, without squamae (Fig.4). Discharge diagnosis: Psoriasis vulgaris in patches and plaques. Nasal staphylococcus aureus. Hypocalcemia. Hypoproteinemia. Tooth cavities. Weight hypotrophy.