Weidman1 has recently called attention to dermatoses affecting one hand, resulting from the presence of cervical rib. He mentioned 2 cases which he observed personally, 1 of congenital trophic ulcer of one finger in a child of 6 years and 1 of peculiar dermatitis of one hand in an adult. A review of the literature revealed only 5 reports of cutaneous changes ascribed to the presence of cervical rib. Gaté, Thiers and Racouchot2 reported the case of a peasant, aged 50, who had an eczematous eruption of both hands, but more severe on the right palm, with atrophy of the bones of the right hand. The nails of both hands were grooved. A roentgenogram of the cervical segment of the spine showed a cervical rib on the right. Holthaus3 described a case of cervical rib on the right, with vasomotor disturbance producing dry gangrene of the tip
RUBIN LC, CIPOLLARO AC. ONYCHODYSTROPHY CAUSED BY CERVICAL RIB. Arch Derm Syphilol. 1939;39(3):430–433. doi:10.1001/archderm.1939.01480210045004
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