Nodule

Aka: Nodule, Subcutaneous Nodule

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II. Findings

  1. Palpable, solid round or oval lesion
  2. Usually exceeds 1 cm diameter
  3. Greater depth than a Papule
    1. Extends to Dermis or subcutaneous tissue

III. Precautions

  1. Biopsy persistent, nontender dermal Nodules

IV. Causes: Subcutaneous Nodule

  1. Common
    1. Sebaceous Cyst
    2. Lipoma
    3. Common Wart
    4. Dermatofibroma
    5. Foreign Body Granuloma
  2. Uncommon
    1. Rheumatoid Nodule
    2. Gouty Tophi
    3. Nodular Lymphangitis
    4. Mycetoma
    5. Lymphoma
    6. Erythema Nodosum
    7. Polyarteritis Nodosa
    8. Nodular Vasculitis
    9. Neurofibromatosis
    10. Giant cell tumor of tendon sheath (benign Nodule of hand tendons)

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