Persistant mendosal suture

Case contributed by Pir Abdul Ahad Aziz Qureshi


Headache and right-sided weakness.

Patient Data

Age: 85 years
Gender: Female

Persistant mendosal suture. Note the accessory suture inferior to the lambdoid suture.

Case Discussion

The mendosal suture, also known as the accessory occipital suture, usually closes before the birth but can be seen in approximately 16% adult skulls. It extends through the occipital bone and lies inferomedial to the lambdoid suture.

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