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Diagnostic Tests for Purple skin

Diagnostic Test list for Purple skin:

The list of diagnostic tests mentioned in various sources as used in the diagnosis of Purple skin includes:

  • Physical examination
    • Examine the purple skin in area or areas affected and note the features
    • Examine for signs of systemic disease that may be associated with the cause of the purple skin - e.g. muscle weakness, muscle tenderness and swelling around the eyes in dermatomyositis.
    • Examine for extensive bruises which may suggest Hemophilia, Christmas disease, platelet disorders or disseminated intravascular coagulation
    • Examine for petechial body rash (pinhead size red - purple rash) which is common in any disorder that might cause thrombocytopenia (reduced platelets), platelet dysfunction or vasculitis.
  • Blood tests
    • Full blood count and ESR
    • Platelet count - reduced in Idiopathic thrombocytopenic purpura, leukemia, aplastic anemia, lupus erythematosus, certain drugs.
    • Coagulation profile including INR, PT, APTT
    • Skin bleeding time
    • Fibrinogen assay and estimation of fibrin degradation products if suspect Disseminated intravascular Coagulation
    • More sophisticated bleeding disorder tests depending on suspicion - e.g. Hemophilia screening, von Willebrand's disease, platelet function studies, platelet antibodies.
    • Creatinine kinase (elevated in dermatomyositis)
    • Liver function tests
    • Electrolytes and kidney function tests (elevated calcium in sarcoidosis)
    • HIV serology if suspect Kaposi's sarcoma
  • Skin biopsy of localized purple skin lesion - may assist diagnosis.
  • Radiological investigations
    • Chest X-Ray if suspect sarcoidosis
  • Transbronchial biopsy - may be required if suspect sarcoidosis.
  • Muscle biopsy- if suspect dermatomyositis

Conditions listing medical symptoms: Purple skin:

The following list of conditions have 'Purple skin' or similar listed as a symptom in our database. This computer-generated list may be inaccurate or incomplete. Always seek prompt professional medical advice about the cause of any symptom.

Select from the following alphabetical view of conditions which include a symptom of Purple skin or choose View All.

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