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Pavithran K. Thinker's sign. Indian J Dermatol Venereol Leprol 1992;58:266-267
AbstractA peculiar skin lesion characterized by hyperpigmented, dry, hyperkeratotic plaques affecting the lower thirds of the thighs was seen frequently in patients with chronic obstructive pulmonary disease. It is attributed to intermittent irritation secondary to a characteristic dyspnoeic posture often assumed by these patients.