Plastic and Reconstructive Surgery — MCQs

Q: Which of the following flaps is known for having a fixed pivot point at the base?

Rotation flap. ***Rotation flap*** - The **rotation flap** has a **fixed pivot point** at its base and rotates around this point in an arc to cover the adjacent defect. - The flap moves through a rotational movement, maintaining its blood supply through the base, which acts as the pivot. - Commonly used in scalp reconstruction, cheek defects, and trunk defects where rotational movement can close the defect. *Advancement flap* - The **advancement flap** moves forward in a **linear sliding motion** without rotation. - It does not have a fixed pivot point; instead, it advances directly into the defect. - Examples include V-Y advancement and bipedicle advancement flaps. *Transposition flap* - The **transposition flap** moves laterally over intervening normal tissue to reach the defect. - While it rotates, it does not have the same fixed pivot point characteristic as a rotation flap. - Examples include rhomboid flap and bilobed flap. *Interpolation flap* - The **interpolation flap** is transferred over or under intervening tissue, requiring a second stage to divide the pedicle. - It does not have a fixed pivot point at the base in the same manner as rotation flaps. - Examples include forehead flap for nasal reconstruction and cross-finger flap.

Q: Which of the following represents the most common combination of orofacial congenital anomalies?

Cleft lip and cleft palate together. ***Cleft lip and cleft palate together*** - This combination is the **most frequent presentation** of orofacial congenital anomalies, accounting for approximately **50% of all cleft cases**. - Combined cleft lip and palate (CL+P) occurs when both the lip and palate fail to fuse completely during fetal development (4th to 12th weeks of gestation). - The simultaneous occurrence represents a **more severe form** of the anomaly with shared embryonic origins and genetic predispositions. - This combined presentation requires comprehensive surgical management involving both lip and palate repair. *Cleft lip* - This anomaly involves a **split in the upper lip**, which can range from a small notch to a complete separation extending into the nose. - Isolated cleft lip (without cleft palate) accounts for approximately **25% of cases**, making it **less frequent** than the combined presentation. - Results from failure of fusion of the medial nasal and maxillary prominences. *Cleft palate* - This condition involves an **opening in the roof of the mouth**, which can affect the hard palate, soft palate, or both. - Isolated cleft palate accounts for approximately **25% of cases**, making it **less common** than the combination of cleft lip and cleft palate. - Results from failure of fusion of the palatal shelves. *None of the options* - This option is incorrect because **cleft lip and cleft palate together** is a well-documented and definitive correct answer. - Epidemiological data clearly establishes CL+P as the most common presentation (50%), followed by isolated CP (25%) and isolated CL (25%).

Plastic and Reconstructive Surgery — MCQs

Practice by Chapter

Wound Healing

Practice Questions

Skin Grafts

Practice Questions

Flap Surgery Principles

Practice Questions

Local Flaps

Practice Questions

Regional Flaps

Practice Questions

Microsurgical Techniques

Practice Questions

Tissue Expansion

Practice Questions

Breast Reconstruction

Practice Questions

Hand Surgery Basics

Practice Questions

Craniofacial Surgery Principles

Practice Questions

Aesthetic Surgery Concepts

Practice Questions

Body Contouring

Practice Questions

Want unlimited practice?

Get full access to all questions, explanations, and performance tracking.

Start For Free

Scan to download app