What's the difference between an open roof deformity and a inverted v deformity?

Why would one Dr. say I have an open roof deformity and another one say inverted V. Are they one in the same?

Doctor Answers 8

Open roof deformity and Inverted V deformity

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They are two different things, but you can have both at the same time. An open roof deformity usually occurs after filing down a bony hump. The nasal bones are like the roof of a house. If you remove the top of the roof, you will have an open space there between the two nasal bones. That's why after taking down a bony hump, one usually has to make cuts in the nasal bones (called osteotomies) to bring the bones inward and "close the open roof."

An inverted V deformity is usually a result of collapse of the middle third of the nose. The upper lateral cartilages are attached to the undersurface of the nasal bones by fibrous/ligamentous attachments. If the upper lateral cartilages lose their support and attachments to either the nasal bones and/or nasal septum, they can drop down causing a visible demarcation between the nasal bones and upper lateral cartilages/middle third of the nose. That demarcation usually looks like an upside down "V".

Unfortunately both can occur concomitantly or in isolation. I hope this helps. Best of luck.

New York Facial Plastic Surgeon
5.0 out of 5 stars 36 reviews

Nasal deformities: open roof vs inverted v

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Both of these post rhinoplasty deformities can be successfully addressed by revision surgery. An open roof results from not performing lateral osteotomies after bony hump removal, most often. An inverted v deformity occurs when the cartilaginous hump has been reduced in an otherwise narrow nose with weak cartilages and small nasal bones (and thus a large cartilaginous pyramid), with resultant internal nasal valve collapse, and usually symptomatic nasal obstruction. A skilled rhinoplasty surgeon can analyze and recommend the appropriate corrective surgery for you.

Inverted V deformity versus open roof deformity

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An Inverted V. deformity is created when the upper lateral cartilages have fallen inward and not in perfect alignment with the nasal bones. This can be related to surgery or trauma. An open roof deformity is created when the hump is removed from the bridge and the osteotomies have not closed the gap, or the nasal bones of healed inadequately

What's the difference between an open roof deformity and a inverted v deformity?

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You may have both. Hard to say without photos. Both can be corrected.

Find a plastic surgeon with ELITE credentials who performs hundreds of rhinoplasties and rhinoplasty revisions each year. Then look at the plastic surgeon's website before and after photo galleries to get a sense of who can deliver the results.

Kenneth Hughes, MD

Los Angeles, CA

Difference Between Open Roof and Inverted V Deformity

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An open roof is caused by separation of the nasal bones at the bridge. An inverted V is a depression at the junction of the lower border of the bones and the adjacent cartilages. Both can be present in the same patient. In fact, an open roof can cause the inverted V appearance.

Richard W. Fleming, MD
Beverly Hills Facial Plastic Surgeon
4.9 out of 5 stars 40 reviews


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An open roof deformity is often when a dorsal hump is removed but the bones are not closed.....usually from inadequete osteotomies. This leads to a flat table type nasal bridge

An inverted V deformity is from the detachment of the upper lateral cartilage from the nasal bones.

Open roof and inverted "V" deformity

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An open roof is when the dorsum is shave down and the bones are not in fractured, or do not move in enough. An inverted V deformity can occur from an open roof.

Open roof deformity and inverted V deformity can be the same thing

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Thank you for your question. An open roof deformity happens when after rhinoplasty the 2 nasal bones are visible on the dorsum of the nose. If the root or base of the nose near the 4 head is not open the open roof can look like an upside down the with a sharp the being closer to the forehead.

These answers are for educational purposes and should not be relied upon as a substitute for medical advice you may receive from your physician. If you have a medical emergency, please call 911. These answers do not constitute or initiate a patient/doctor relationship.