Hyperpigmented patches following blaschko lines: Two probable cases of linear atrophoderma of moulin with subtle atrophy and a critical review of the subject
“…Bauman et al ( 7) reported a patient with a similar disease and coined the term linear atrophoderma of Moulin. However, in the last decade, the clinical and histopathological features of LAM have been widened, and several authors have described cases of LAM with varying clinical and histopathological findings not complying with the original description, as stated by Moulin et al (1,2).…”
Section: Discussionmentioning
confidence: 99%
“…Linear atrophoderma of Moulin (LAM) is a rare dermatologic condition in which hyperpigmented depressed plaques are present following the Blaschko lines (BL) (1,2). The lesions are usually present over the trunk and limbs without any tendency for long-term progression.…”
Introduction: Linear atrophoderma of Moulin (LAM) is a rare dermatologic disorder characterized by hyperpigmented atrophic plaques following the Blaschko lines (BL). The trunk and limbs are the usual sites affected. Isolated facial involvement is an exceedingly rare entity. Despite a comprehensive medical literature search, the author could find only two cases of LAM where the lesions are exclusively localized to the face. In this article, the author presents the third case of LAM localized to face only. Case Presentation: A 26-year-old male complained of multiple linear non-pruritic pigmented lesions over the left side of the nose and glabellar area of six months’ duration. There was no history of erythema, thickening/hardening of skin, or violaceous border surrounding the lesions. On clinical examination, there were multiple hyperpigmented brownish lesions, the majority of which were depressed, involving the left ala and bridge of nose laterally and glabellar area in a Blaschkoid pattern. Diagnosis of LAM was established based on suggestive history and clinical examination. Conclusions: LAM is a rare disorder, and the facial localization makes it exceedingly rare. It should be kept in the differential diagnosis when hyperpigmented depressed lesions are present in a Blaschkoid pattern on the face.
“…Bauman et al ( 7) reported a patient with a similar disease and coined the term linear atrophoderma of Moulin. However, in the last decade, the clinical and histopathological features of LAM have been widened, and several authors have described cases of LAM with varying clinical and histopathological findings not complying with the original description, as stated by Moulin et al (1,2).…”
Section: Discussionmentioning
confidence: 99%
“…Linear atrophoderma of Moulin (LAM) is a rare dermatologic condition in which hyperpigmented depressed plaques are present following the Blaschko lines (BL) (1,2). The lesions are usually present over the trunk and limbs without any tendency for long-term progression.…”
Introduction: Linear atrophoderma of Moulin (LAM) is a rare dermatologic disorder characterized by hyperpigmented atrophic plaques following the Blaschko lines (BL). The trunk and limbs are the usual sites affected. Isolated facial involvement is an exceedingly rare entity. Despite a comprehensive medical literature search, the author could find only two cases of LAM where the lesions are exclusively localized to the face. In this article, the author presents the third case of LAM localized to face only. Case Presentation: A 26-year-old male complained of multiple linear non-pruritic pigmented lesions over the left side of the nose and glabellar area of six months’ duration. There was no history of erythema, thickening/hardening of skin, or violaceous border surrounding the lesions. On clinical examination, there were multiple hyperpigmented brownish lesions, the majority of which were depressed, involving the left ala and bridge of nose laterally and glabellar area in a Blaschkoid pattern. Diagnosis of LAM was established based on suggestive history and clinical examination. Conclusions: LAM is a rare disorder, and the facial localization makes it exceedingly rare. It should be kept in the differential diagnosis when hyperpigmented depressed lesions are present in a Blaschkoid pattern on the face.
Linear atrophoderma of Moulin is a rare, acquired, mostly unilateral entity often presenting with hyperpigmented and atrophic band-like skin lesions that follow the lines of Blaschko. There is a considerable amount of overlap among disorders presenting along the lines of Blaschko. In this report, we discuss one such rare case along with its differential diagnosis.
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