PMC4972908_01
Pedigree. The patient is indicated by an arrow and all relatives that exhibited at least one episode of extreme facial pain are in grey. The age of onset and number of episodes are indicated beneath each affected individual.
CRINM2016-9212369.001.jpg
PMC4972908_01_CRINM2016-9212369.001.jpg
fig1
A detailed family history revealed similar facial pain episodes in the patient's mother and four of seven siblings, suggesting a genetic condition of autosomal dominant inheritance (Figure 1).
PMC4972908_02