ABPS Surgical Anatomy & Reconstructive Techniques 2

Question 1

Which nerve is at greatest risk during elevation of a radial forearm free flap?

Accepted Answer

Radial nerve superficial branch

Answer

The superficial branch of the radial nerve runs in proximity to the radial artery and is at risk when elevating the radial forearm flap.

Question 2

The deep inferior epigastric artery (DIEA) originates from which vessel?

Accepted Answer

External iliac artery

Answer

The deep inferior epigastric artery arises from the external iliac artery just above the inguinal ligament.

Question 3

In a TRAM flap reconstruction, Zone IV refers to which area of the flap?

Accepted Answer

Contralateral zone farthest from the pedicle with least reliable perfusion

Answer

Zone IV of the TRAM flap is the contralateral lateral zone, most distant from the pedicle and least reliably perfused, often discarded.

Question 4

The thoracodorsal nerve innervates which muscle used in reconstructive surgery?

Accepted Answer

Latissimus dorsi

Answer

The thoracodorsal nerve, a branch of the posterior cord of the brachial plexus, innervates the latissimus dorsi muscle.

Question 5

Which anatomical landmark defines the superior border of the femoral triangle?

Accepted Answer

Inguinal ligament

Answer

The inguinal ligament forms the superior border of the femoral triangle, with sartorius laterally and adductor longus medially.

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