Radiology Notes

My notes during radiology residency, fellowship, and beyond…

Archive for the ‘mediastinal’ Category

AIDS Chest Differential

leave a comment »

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
Advertisements

Written by lmwong

January 19, 2010 at 11:58 pm

Absent Right Heart Border Differential

leave a comment »

Written by lmwong

January 19, 2010 at 11:45 pm

Mediastinal Widening

leave a comment »

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

mediastinum

Written by lmwong

January 19, 2010 at 11:13 pm

Low density lymph nodes

leave a comment »

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

Written by lmwong

January 19, 2010 at 8:03 pm

Thyroid Goiter

leave a comment »

  • mediastinal mass
  • substernal goiter
  • deviation and/or compression of trachea
  • contiguous with thyroid gland
  • high attenuating on noncontrasted (iodine)
  • cysts and calcifications
  • DDx: lymphoma (no calcification unless treated)

Written by lmwong

January 13, 2010 at 1:44 am

Posted in chest, mediastinal, thyroid

Thymic tumors

leave a comment »

  • anterior mediastinal mass
  • thymoma (MC); invasive, can spread locally
  • thymic hyperplasia
  • thymolipoma
  • thymic cyst
  • thymic carcinoma; metastatic disease
  • thymic carcinoid

Written by lmwong

January 12, 2010 at 8:22 am

Posted in chest, mediastinal, tumor

Neurogenic Tumors

leave a comment »

  • posterior mediastinal mass
  • peripheral nerves = widen neural foramina
    • schwannoma (horizontal orientation)
    • neurofibroma
  • sympathetic chain = vertebral body erosion; calcifications
    • ganglioneuroma (vertical orientation)
    • ganglioblastoma
    • neuroblastoma
  • paraganglia
    • pheochromocytoma
    • chemodectoma
  • 70% benign
  • 4th decade of life
  • incidentally detected; radicular pain
  • rib spreading and rib erosion
  • homogenous = benign
  • heterogenous = malignant
  • get MRI

Written by lmwong

January 12, 2010 at 4:15 am

Posted in chest, mediastinal, neuro, spine