It is the collection of jelly like colorless thick fluid deep under the skin from the bone mostly on posterior surface the wrist joint

It is a congenital condition in which a child has two thumbs (an extra digit on radial side of hand).

It is defined as a flaccid paresis of an upper extremity due to traumatic stretching of the brachial plexus received at birth it has two main types

Polydactyly is when more than five digits are present in a hand. One of the most common upper limb malformations.

Syndactyly is a fusion of the soft tissue, skeletal, or both elements of adjacent digits.it is very common congenital hand deformity, 20% have a family history (autosomal dominant) and 50% are bilateral.

One of the most telltale sign of aging are our hands. With age the skin over the back of the hand becomes loose and wrinkly making underneath veins and tendons visible.

It is a congenital (present at birth) hand deformity where the radius bone in the forearm is missing or underdeveloped, causing the hand to be bent laterally (radially deviated).

Constriction rings, or amniotic bands, form partial or complete circumferential constrictions around limbs or digits.

Bone graft is the process of transferring bone from one site to another. Bone graft may be obtained from the patient (autograft), another individual (allograft), or another species (xenograft).

It is the small nodular ulcerated (rodent ulcer) lesion over the face or neck mostly over the sun expose part of the body. It rarely develops on dorsum of hand.