Psoriasis following growth hormone therapy in a child.
OBJECTIVE
To report a case of psoriasis that developed following growth hormone treatment.


METHODS
An 8-year-old boy was admitted to our pediatric endocrinology department because of short stature (<3rd percentile). A dopamine stimulation test and an insulin tolerance test revealed growth hormone (GH) deficiency with a normal cortisol response. His insulin-like growth factor 1 (IGF-1) level (9 ng/mL; reference range 113-261) was under the limits for his age and sex. Six months after the initiation of treatment with recombinant human GH 0.33 mg/kg/wk, the patient presented with a 10 day history of desquamation and a burning sensation in his right knee and hip. Lesions of erythematous papules consistent with plaques of psoriasis were present. Histologic findings from skin biopsies were consistent with psoriasis. The GH dose was reduced to 0.2 mg/kg/wk and treatment for psoriasis (including hydrocortisone and clemastine) was started. Three months after those interventions, the plaques had resolved.


CONCLUSIONS
Previous studies proposed that the extent and severity of psoriasis correlate with GH levels, although psoriatic patients, in general, have normal GH and IGF-1 levels. The Naranjo probability scale indicated that the development of psoriasis was probably associated with GH therapy.


CONCLUSIONS
This case suggests that the development of psoriasiform lesions in a previously unaffected individual represents an adverse effect of GH treatment, occurring at higher doses, with higher IGF-1 levels.
Pirgon
Ozgur
O
Faculty of Medicine, Department of Pediatric Endocrinology, Selcuk University, Konya, Turkey. ozpirgon@hotmail.com
Atabek
Mehmet Emre
ME
Sert
Ahmet
A
D002648:Child; D020249:Hormone Replacement Therapy / Q000009:adverse effects*; D019382:Human Growth Hormone / Q000009:adverse effects*; D006801:Humans; D008297:Male; D011565:Psoriasis / Q000139:chemically induced* / Q000473:pathology
D019382:Human Growth Hormone