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Austin J Dermatolog. 2023; 10(2): 1110.
Dorsal Pterygum and Nail Lichen Planus
Saranyuk RV*
Clinic of Dermatology and Venerology “Derma Expert”, Russian Federation, Russia
*Corresponding author: Saranyuk RV clinic of dermatology and venerology “DermaExpert”, Deryglasova prospect,1, Kursk, Russian Federation, Russia. Tel: +79102149517 Email: [email protected]
Received: November 20, 2023 Accepted: December 2, 2023 Published: December 30, 2023
Clinical Image
A 62-year-old patient complained of changes in the nail plates of the fingers. According to the patient, the changes began 20 years ago with a gradual deterioration in his condition. The patient's skin and mucousa are not involved. During clinical examination, there is a change in the integrity of the nail plate, growth of the skin of the proximal nail fold towards the nail bed (dorsal pterygum) with splitting of the nail. On the nail plate of the second finger of the right hand. Dermoscopic examination reveals triangular growth of the skin of the proximal ridge, nail separation on the free edge and multiple longitudinal grooves
Figure 1: Dorsal pterium of the second finger of the right hand.
Figure 2: Dermatoscopic picture of the dorsal pterygum.
Dorsal pterygum is a classic nail lesion in lichen planus, indicating damage to the nail matrix. Further growth of the dorsal pterygum can lead to complete loss of the nail and the development of atrophy of the nail bed.
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