Medicine · 2025
Idiopathic confetti-like leukoderma: A case report of a rare entity.
СтатьяКлинический случайНазвание и аннотация: Перевод в очереди
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Yadav Kundan Kumar, Dhenga Sonam, Pokhrel Milan, Shrestha Bibek, Yadav Srijana Kumari, Bishowkarma Sagar, Yadav Ravi Kumar, Das Dhiraj Kumar
Аннотация
RATIONALE: Confetti-like leukoderma is an uncommon and intriguing hypopigmentary presentation typically associated with systemic illnesses, dermatologic disorders, or adverse reactions to therapies. Its idiopathic form is extremely rare, making such cases clinically significant and worthy of documentation.
PATIENT CONCERNS: A 17-year-old male presented with multiple, bilateral, symmetrical hypopigmented macules measuring 1 to 3 mm, diffusely distributed over the trunk, extremities, neck, forehead, and dorsum of the hands. He denied chemical exposures, systemic symptoms, photosensitivity, or family history of similar lesions.
DIAGNOSES: Clinical examination and laboratory studies, including complete blood count, autoimmune markers, arsenic levels, and imaging, were normal. Differential diagnoses considered included systemic sclerosis, arsenicosis, and other hypopigmentary disorders. Histopathology showed scattered melanocytes, pigment incontinence, melanophages, and mild perivascular lymphocytic infiltrate, confirming idiopathic confetti-like leukoderma.
INTERVENTIONS: No therapeutic intervention was initiated. Diagnosis was established after careful exclusion of secondary causes through clinical, laboratory, and histopathological correlation.
OUTCOMES: The patient remained clinically stable, and no progression or systemic involvement was noted. The condition was recognized as an isolated idiopathic entity with no immediate need for treatment.
LESSONS: This case highlights idiopathic confetti-like leukoderma as a rare but distinct clinical diagnosis. Comprehensive evaluation, exclusion of systemic associations, and histopathologic confirmation are essential. As only a handful of such idiopathic cases have been reported, further recognition and documentation are necessary to better understand this presentation.
PATIENT CONCERNS: A 17-year-old male presented with multiple, bilateral, symmetrical hypopigmented macules measuring 1 to 3 mm, diffusely distributed over the trunk, extremities, neck, forehead, and dorsum of the hands. He denied chemical exposures, systemic symptoms, photosensitivity, or family history of similar lesions.
DIAGNOSES: Clinical examination and laboratory studies, including complete blood count, autoimmune markers, arsenic levels, and imaging, were normal. Differential diagnoses considered included systemic sclerosis, arsenicosis, and other hypopigmentary disorders. Histopathology showed scattered melanocytes, pigment incontinence, melanophages, and mild perivascular lymphocytic infiltrate, confirming idiopathic confetti-like leukoderma.
INTERVENTIONS: No therapeutic intervention was initiated. Diagnosis was established after careful exclusion of secondary causes through clinical, laboratory, and histopathological correlation.
OUTCOMES: The patient remained clinically stable, and no progression or systemic involvement was noted. The condition was recognized as an isolated idiopathic entity with no immediate need for treatment.
LESSONS: This case highlights idiopathic confetti-like leukoderma as a rare but distinct clinical diagnosis. Comprehensive evaluation, exclusion of systemic associations, and histopathologic confirmation are essential. As only a handful of such idiopathic cases have been reported, further recognition and documentation are necessary to better understand this presentation.