"Klingon headache" - a case report of mimic new daily persistent headache associated to primary essential cutis verticis gyrata.

Background: Primary essential cutis verticis gyrata is a condition that usually affects healthy subjects associated to convoluted folds and furrows formed from thickened skin of the scalp resembling cerebriform pattern.

Methods: we describe a case of association between primary essential cutis verticis gyrata and new daily persistent headache.

Conclusions: In our knowledge this is the first description of new daily persistent headache associated with primary essential cutis verticis gyrata. We think that primary essential cutis verticis gyrata could be considered as a possible trigger factor, never described before, for the development of new daily persistent headache.