Boutonniere deformity occurs when the central joint of a finger (or, less usually, a toe) becomes locked in a bent position and cannot straighten, while the joint toward the tip of the finger or toe bends upwards. It is often caused by an injury to the central slip tendon, which is responsible for straightening the finger at the middle joint. This injury can produce a rip in the tendon, resulting in deformity, as well as arthritis, which weakens or displaces the tendon.
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Orthopedic Surgeon
22 Years of Experience
Known for his soft-spoken nature, Dr. Manon Miglani had completed his MBBS from Maulana Azad Medical College and MS (Ortho) for All India Institute of Medical Sciences. Dr. Miglani was awarded AO spine fellowship from Queen’s Medical Center, Nottingham and he also received Stryker fellowship in Arthroplasty from Indraprastha Apollo Hospital. Dr. Manon Miglani has provided his expert services to various hospitals of Delhi and NCR including AIIMS, Indraprastha Apollo, Jaipur Golden hospital, and Artemis hospital Presently, Dr. Manon is the additional director of Fortis, Vasant Kunj and senior consultant at Fortis, Shalimar Bagh. View More
Last Reviewed - January 2026