Anatomy

Question 1

Anterior cranial fossa

Answer 1

Foramen: Cribiform plate

- CN1 olfactory bundles

Question 2

Middle cranial fossa

Answer 2

Superior Orbital fissue: CNIII, IV, V1, VI, opthalmic vein, sympathetic nerves

Optic canal: CNII

Foramen Rotundum: CNV2 (maxillary)

Foramen Ovale: CNV3 (mandibular)

Foramen spinosum: Middle meningeal artery, vein

Question 3

Posterior cranial fossa

Answer 3

Internal acoustic meatus: CNVII, VIII

Jugular Foramen: CN IX, X, XI, jugular vein
* Lesion at foramen= Vernet Syndrome

Hypoglossal canal: CN XII

Foramen magnum: CN XI, brain stem, cerebral arteries

Question 4

Scaphoid fracture

Answer 4

Anatomical snuffbox pain–> avascular necrosis of scaphoid

Question 5

Dupuytren’s contracture

Answer 5

Fibroproliferation of palmar fascia–> nodes–> flexure