What is the Pericranial flap made of?

Pericranial flap is a composite flap involving the periosteum of the skull with subgaleal fascia.

What is a Cranialization?

Severe injuries which result in disruption of greater than 25% of the posterior table should be considered for cranialization. This involves exposure of the entire sinus, meticulous removal of all sinus mucosa, and removal of the posterior table bone.

What is the CPT code for a Pericranial flap?

Reconstruction Procedures

Procedure Specialty/Code to Report
Minimally invasive extracranial pericranial flap 15733 Muscle, myocutaneous, or fasciocutaneous flap; head and neck with named vascular pedicle (i.e., buccinators, genioglossus, temporalis, masseter, sternocleidomastoid, levator scapulae)

What are the scalp layers?

The scalp consists of 5 layers (seen in the image below): the skin, connective tissue, epicranial aponeurosis, loose areolar tissue, and pericranium. The first 3 layers are bound together as a single unit. This single unit can move along the loose areolar tissue over the pericranium, which is adherent to the calvaria.

What is an osteoplastic flap?

Conclusions: Osteoplastic flap surgery is an uncommon procedure in the modern endoscopic era of sinus surgery. In our series it was most commonly indicated for laterally located disease. Osteoplastic flap surgery is relatively safe and effective for a wide range of recalcitrant and complicated frontal sinus disorders.

Where is the Nasofrontal duct?

The frontonasal duct is a communication between the frontal sinus and the nasal cavity. It opens in the middle nasal meatus through the infundibulum of the semilunar hiatus.

What is a SMAS flap?

The SMAS flap is a biological barrier capable of filling the cavity that is formed after removal of the tumour.

Which is the safety layer of scalp?

L- Loose areolar tissue: It is made up of loose areolar tissue. It is traversed by emissary veins which connect the veins in the second layer of scalp with intracranial dural venous sinuses. It acts as a natural plane of cleavage during craniotomy. It is also known as the ‘dangerous layer of scalp’.