What nail disorder is characterized by a thickened nail plate?

• A. Pterygium
• B. Onychogryphosis
• C. Onychomycosis
• D. Trauma nail

Answer: (B)

Onychogryphosis is the correct choice as it refers specifically to a nail disorder characterized by an abnormal thickening and often a curvature or claw-like appearance of the nail plate. This condition can occur due to various factors, including neglect, trauma, or underlying health issues, leading to disfigurement and increased thickness of the nail.

The clinical manifestation of onychogryphosis involves not only the thickening but can also include changes in the shape and texture of the nail. It’s important to recognize this disorder because it may affect nail management and patient care practices.

In contrast, pterygium involves the abnormal growth of skin over the nail from the cuticle area, which is different from the thickened appearance associated with onychogryphosis. Onychomycosis indicates a fungal infection of the nail, which can lead to discoloration and other changes, but the defining characteristic is not thickening alone; that may vary. Lastly, a trauma nail refers to damage resulting from an injury, creating various possible appearances but does not specifically highlight the thickness of the nail plate as onychogryphosis does.