Radiology Notes

My notes during radiology residency, fellowship, and beyond…

Archive for January 19th, 2010

AIDS Chest Differential

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Focal Lung Disease

  • Bacterial pneumonia
  • PCP
  • Mycobacterial/fungal infection
  • Non-Hodgkin lymphoma

Diffuse lung disease

  • PCP
  • PCP + infection
  • Mycobacterium tuberculosis
  • Fungal infection
  • NSIP
  • Lymphocytic interstitial pneumonia
  • Kaposi sarcoma

Nodules

  • Non-Hodgkin lymphoma
  • Kaposi sarcoma
  • Septic emboli
  • Mycobacterial/fungal infection

Adenopathy

  • Mycobacterial/fungal infection
  • Kaposi Sarcoma
  • Non-Hadgkin lymphoma
  • PCP

Pleural Effusion

  • Kaposi Sarcoma
  • Mycobacterial/fungal infection
  • Non-Hadgkin lymphoma
  • Pyogenic empyema
  • PCP

Written by lmwong

January 19, 2010 at 11:58 pm

Absent Right Heart Border Differential

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Written by lmwong

January 19, 2010 at 11:45 pm

Rounded Atelectasis

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  • peripheral lobar collapse
  • ~ pleural disease
  • abuts area of pleural thickening
  • comet tail sign = crowded vessels and bronchi extending to hilum
  • ~ asbestos exposure and smoking
  • may need FNA biopsy to exclude bronchogenic carcinoma

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Written by lmwong

January 19, 2010 at 11:25 pm

Posted in chest, lung, pulmonary

Mediastinal Widening

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  • mediastinal lipomatosis
  • mediastinitis
  • diffuse mediastinal lymphadenopathy
  • mediastinal hemorrhage

mediastinum

Written by lmwong

January 19, 2010 at 11:13 pm

Multiple Calcified Lymph Nodes

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  • TB
  • histoplasmosis
  • sarcoidosis
  • silicosis
  • metastasis: mucinous adenocarcinoma, treated lymphoma, osteosarcoma

Written by lmwong

January 19, 2010 at 11:07 pm

Low density lymph nodes

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  • primary tuberculosis (TB), especially in children
  • atypical mycobacterial
  • fungal infection
  • neoplastic; metastatic seminoma

Written by lmwong

January 19, 2010 at 8:03 pm

Wegener’s Granulomatosis

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  • necrotizing vasculitis
  • upper respiratory tracts, lungs, renal glomeruli
  • lungs
    • multiple pulmonary nodules; 50% cavitate, angiocentric
    • diffuse alveolar consolidation = hemorrhage
  • +cANCA
  • Rx: cyclophosphamide and steroids

Written by lmwong

January 19, 2010 at 7:54 pm