How durable is your knowledge of dural lesions? How’s your knowledge base of the skull base? Know the difference between petroclival & petrous face? Middle fossa & middle sphenoid wing? Clinoid & clivus? Here is a map of skull base meningiomas. How many do you know? Recognizing a lesion is only the first step. Communication is the next step. If you can’t accurately communicate where a lesion is located, then you have only done have your job. When it comes to skull base meningiomas, high risk lesions are the medial lesions: 🔸Clinoid 🔸Cavernous sinus 🔸Tuberculum sellae 🔸Medial/incisural tentorium 🔸Clivus I think of a cone coming up from the foramen magnum encompassing these lesions that I call the “cone of risk”! Hopefully, this anatomy of skull base dural lesions with stay with you for the duration!

1/Your baby’s all grown up! Cerebellum may mean “little cerebrum” but its jobs are anything but little How well do YOU know cerebellar anatomy? Do you just say “cerebellar hemisphere” & hope nobody asks? Here’s a thread to teach you the key cerebellar functional anatomy!