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  1. Skin Biopsy x (histopathology) (AFB stain)
  2. Tissue culture for M tuberculosis
  3. Tissue culture for atypical mycobacterial and deep fungi
  4. Screening for Extracutaneous Tuberculosis
The presence of tuberculosis elsewhere provides supportive evidence in the diagnosis of cutaneous tuberculosis, especially in the tuberculids. Chest X-ray is mandatory. Other tests such as sputum, pus or early morning urine for acid-fast bacilli, lymph node biopsy or bronchoscopy should be done if indicated.
  1. Treatment
    Rifampicin 10 mg/kg, Ethambutol 15 mg/kg, Streptomycin 15 mg/kg, Isoniazid 5 mg/kg, Pyrazinamide 30 mg/kg
  2. Treatment for M Marinum Infection
    1. Medical:
      1. Cotrimoxazole tab 2 bd x 8-16 weeks
      2. Minocycline 100 mg bd x 8-16 weeks
      3. Rifampicin + Ethambutol
    2. Surgical:
      1. Electrodessication                   
      2. Cryotherapy                         
      3. Surgical excision

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