Secondary stabbing headache associated with intracranial tumors, aneurysms, and arteriovenous malformation: An alarming warning sign.

CONCLUSION: This study was able to identify clinical red flags associated with intracranial lesions and secondary SH, for example, recent onset of SH, exclusively unilateral (ipsilateral) at the same location, crescendo pattern, triggered by head movements, or Valsalva maneuver. PMID: 33417245 [PubMed - as supplied by publisher]

https://www.ncbi.nlm.nih.gov/pubmed/33417245?dopt=Abstract

Source: Headache - January 8, 2021 Category: Neurology Authors: Valença MM, de Azevedo Filho HRC, de Souza Ferreira MR, Valença MA, Krymchantowski AV, Valença MF, Andrade-Valença LPA Tags: Headache Source Type: research