Mastocytose cutanée maculopapuleuse métamérique

Metameric pruritus as the sole manifestation of an intramedullary tumor in a toddler

“…Skin biopsy was performed to search for metameric mastocytosis as previously described. 1 Histopathological findings showing orthokeratotic hyperkeratosis with no mast cell infiltration ruled out the diagnosis. Owing to the persistence of the pruritus and its metameric disposition, spinal magnetic resonance imaging Neuropathic pruritus is a rare etiology of pruritus, with no specific skin lesion, called metameric pruritus when localized to one or more dermatomes.…”