2021年8月7日 · Boutonniere deformities are characterized by a PIP extensor lag and/or flexion deformity with a DIP hyperextension deformity following disruption of the central slip and triangular ligament (Fig. 2).

_Surgery Date: ____________ Description of Diagnosis The term “pseudo-boutonniere” is used to classify a group of PIP hyperextension inju. ies that present with a boutonniere-like appearance. With the pseudo-boutonniere deformity, there is a PIP joint flexion co.

2023年8月1日 · Pseudo-boutonniere deformity is a finger deformity characterized by hyperextension (extension) of the proximal interphalangeal joint (PIP joint) and flexion of the distal interphalangeal joint (DIP joint).

The term “pseudo-boutonniere” is used to classify a group of PIP hyperextension injuries that present with a boutonniere-like appearance. With the pseudo-boutonniere deformity, there is a PIP joint flexion contracture with the DIP joint positioned in extension.

2018年11月8日 · The pseudoboutonniere deformity is the result of an untreated hyperextension injury of the proximal interphalangeal joint. It is due to an uncommon avulsion of the volar plate from the proximal phalanx causing a flexion deformity of the PIP joint, while the central slip of the extensor tendon remains intact. 1.

2023年1月15日 · Boutonniere Deformities are Zone III extensor tendon injuries characterized by PIP flexion and DIP extension. Diagnosis is made clinically with PIP flexion and DIP extension …

This is similar to a boutonniere deformity seen after an injury to the central slip, and thus, has been referred to as a "pseudo-boutonnière" deformity. Distinguishing these 2 diagnoses is important, as treatment differs, and highlights the importance of thoroughly understanding the anatomy and relevant clinical applications when evaluating ...

2023年11月23日 · Unlike a true boutonniere deformity, pseudoboutonniere deformity is characterized by a fixed flexion contracture of the PIP joint, inability to achieve passive extension, and mild or absent DIP joint hyperextension.

Boutonnière deformity is a type of joint damage that happens mostly to fingers but can also happen to toes. It can happen because of an injury like a burn or a cut or can result from …

Understand the pathomechanics of boutonniere and pseudoboutonniere deformities. Be able to evaluate and diagnose patients with boutonniere and pseudoboutonniere injuries. Understand the management of acute and chronic boutonniere and pseudobou-tonniere injuries.