{Reference Type}: Case Reports {Title}: An uncommon presentation of segmental Becker's nevus involving the T4 dermatome. {Author}: Arvind MN;Rajanna AH;Kanth MS;Chandrashekar A; {Journal}: J Family Med Prim Care {Volume}: 13 {Issue}: 4 {Year}: 2024 Apr 暂无{DOI}: 10.4103/jfmpc.jfmpc_1646_23 {Abstract}: This case report explores a rare manifestation of Becker's nevus, where the patient exhibited an unusual dermatomal distribution featuring a hyperpigmented, irregular patch with associated hypertrichosis on the T4 segment. While Becker's nevus is a well-known dermatological condition typically observed in the upper back region, instances of dermatomal distribution are exceptionally uncommon. This case presents a unique occurrence of segmental Becker's nevus, highlighting the atypical presentation of this condition.