Spectrum of Becker's melanosis changes is greater than believed

Becker nevus syndrome

“…Shortness of the ipsilateral arm was reported by Copeman and Jones [1965], Moore and Schosser [1985], Glinick et al [1983], as well as by Glinick and Alper [1986]. Asymmetry of limbs was also noted by Lucky et al [1981] and Blanc et al [1988].…”

“…Additional skeletal anomalies observed in association with Becker nevus include fused or accessory cervical ribs [Hulsmans et al, 1989], pectus excavatum [Glinick and Alper, 1986], pectus carinatum [Glinick et al, 1983], and bilateral internal tibial torsion [Moore and Schosser, 1985].…”

Becker's nevus syndrome revisited

“…They include scoliosis 3,8,9,12,23,32,33 ; vertebral defects such as hemivertebrae, cleft vertebrae, or spina bifida occulta 10,15,21 ; fused or accessory cervical ribs 33 ; pectus excavatum 34,35 ; pectus carinatum 10 ; asymmetry of scapulae 23 ; short limb or other forms of limb asymmetry 5,10,13,14,25,34-37 ; bilateral internal tibial torsion 13 ; ipsilateral hypoplasia of the shoulder girdle including absence of the pectoralis major muscle 13,38 ; hypoplasia of sternocleidomastoideus muscle 22 ; or umbilical hernia. 13 …”

Tumor Conference #59 Non‐Nevocytic Congenital Nevus

“…Histologically, the features are not those of a hair follicle nevus or of a Becker's nevus. Perhaps this lesion could be included in the broad spectrum of “cutaneous organoid hamartoma.”,…”