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Haem Exam

Inguinal Lymphadenopathy

February 15th, 2021


  • How to Perform

  • Using the pulps of the fingers, gently palpate the lymph nodes along the inguinal ligament and down the medial aspect of the thigh.
  • Feel For

  • Size - normally <10mm
  • Tenderness
  • Consistency - hard (metastasis), rubbery (lymphoma), soft (reactive)
  • Mobility - mobile or tethered to underlying structures
  • Significance

  • Inguinal lymphadenopathy may be an indicator of infection of the lower limb, genitals or perianal area; of lymphoma; or of a pelvic tumour.
  • Causes of Lymphadenopathy

  • Bacterial infection - localised infection, skin infection, tuberculosis / MAC, syphilis, cat-scratch disease
  • Viral infection - EBV, CMV, HIV, herpez simplex, rubella
  • Parasitic infection - toxoplasmosis
  • Malignancy - lymphoma, leukaemia, metastasis
  • Inflammatory disorders - lupus, rheumatoid arthritis
  • Sarcoidosis
  • Medications - allopurinol, atenolol, cephalosporins, penicillin, phenytoin, carbemazepine
  • Storage disorders
  • Benign idiopathic lymphadenopathy
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