Dr Pr. D’Agostino, MD, PhD

Hand Clinic Brussels - Lasne



Swan neck deformity is a finger deformity in which the distal interphalangeal joint (DIP joint) is hyperflexed, and the proximal interphalangeal joint (PIP joint) is hyperextended.

As a result, the finger resemble a swan's neck.

Rheumatoid arthritis is the most common inflammatory arthritis in adults.

The word arthritis literally means "inflamed joint."

It is a chronic inflammatory degenerative disease characterized by arthritis often bilateral and...

Usually in middle-aged or older people, it a small lump overlying the end finger near the nail.

The cyst originates from the distal interphalangeal joint (DIP) and can cause a deformity of the nail plate by pressure on the nail matrix.

A mallet finger is a deformity of the finger caused when the tendon that straightens your finger (extensor tendon) is damaged. The finger or thumb is not able to straighten.

Any abnormal lump or bump, or "mass", is considered a tumor. The term "tumor" does not necessarily mean it is malignant or that it is a cancer. In fact, the vast majority of hand and wrist tumors are benign or non-cancerous. Any lump or bump in...


A fracture occurs when enough force is applied to a bone to break it. When...

A sprain refers to an injury to the tissues surrounding and supporting a joint. This includes the ligaments and joint capsule.

The ligaments are strong structures that prevent the joint from going into abnormal positions. The capsule is a...




Boutonnière deformity is a deformation of the finger in which the distal interphalangeal joint (DIP joint) is hyperextended, or bent away from the palm, while the proximal interphalangeal joint (PIP joint) is hyperflexed, or bent towards the palm...