Acquired depigmentation around nevi (leucoderma acquisitum centrifugum) is seen frequently. It has also been reported surrounding nodular syphilid,1 growing psoriatic papules, lesions of sarcoid,2 and molluscum fibrosum3. However, I was unable to find reference to depigmentation around comedones or dilated pores. It is to call attention to this clinical entity that the following reports are submitted. Of four cases which I have seen, two are reported in some detail.
Report of Cases
Case 1.—A 60-year-old woman with subacute disseminate lupus erythematosus noted 20 years ago what she describes as a "dilated pore" on the right cheek. Ten years ago she first noted depigmentation around the pore. The area of depigmentation has spread. Examination showed a 5.0×5.0 mm. area of partial depigmentation surrounding a comedone on the right cheek (Fig. 1). The entire area was removed for microscopic examination (L. H. Winer, M.D.), which shows the epidermis