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Related Experiment Video

Updated: Mar 8, 2026

An Orthotopic Sciatic Nerve Xenograft for Neurofibromatosis Type 1 Neurofibromas
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Published on: October 10, 2025

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Segmental Neurofibromatosis with Angiolipomas.

Kamlender Singh, M Ramam

    Indian Journal of Dermatology, Venereology and Leprology
    |February 3, 2017
    PubMed
    Summary

    This case study highlights that subcutaneous nodules in suspected Neurofibromatosis cases, even with pigmentary changes, require histopathology. This confirms angiolipomas, not neurofibromatosis nodules, emphasizing diagnostic accuracy.

    Area of Science:

    • Dermatology
    • Pathology
    • Medical Diagnostics

    Background:

    • Neurofibromatosis is a genetic disorder characterized by café-au-lait macules and neurofibromas.
    • Distinguishing benign cutaneous conditions from neurofibromatosis is crucial for accurate diagnosis and management.
    • Subcutaneous nodules can present a diagnostic challenge in suspected cases.

    Observation:

    • A 28-year-old male presented with unilateral freckling, café-au-lait macules, and numerous bilateral subcutaneous nodules.
    • The patient exhibited pigmentary changes suggestive of Neurofibromatosis.
    • Clinically, the subcutaneous nodules were initially considered potentially related to Neurofibromatosis.

    Findings:

    • Histopathological examination revealed the subcutaneous nodules to be angiolipomas.

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  • The findings indicate that not all subcutaneous nodules in patients with pigmentary changes are indicative of Neurofibromatosis.
  • This case underscores the importance of histopathological confirmation.

    • Implications:

    • Histopathology of subcutaneous nodules is essential for accurate diagnosis in suspected Neurofibromatosis, even with suggestive pigmentary changes.
    • Misdiagnosis can lead to inappropriate treatment or delayed diagnosis of other conditions.
    • This emphasizes the need for thorough diagnostic workup in clinical practice.