II. Epidemiology

  1. More common in middle aged women
    1. Account for 80% of patients

III. Pathophysiology

  1. Chronic paniculitis

IV. Signs

  1. Tender Red Nodules on the posterior lower legs
  2. May occur in crops of lesions

V. Labs

  1. Tuberculin Skin Test
  2. Skin biopsy
    1. Rule out a Vasculitis

VI. Differential Diagnosis

  1. Tuberculosis
  2. Paniculitis
  3. Erythema Nodosum
    1. Paniculitis that affects the anterior lower legs

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