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Chest


Tracheal stenosis, short
Organ: Trachea
Pneumonic: WAST
Differential Dx:
  • Wegener granulomatosis
  • Amyloidosis
  • Sarcoid
  • TB

  • Tracheal stenosis, long
    Organ: Trachea
    Pneumonic: RAT
    Differential Dx:
  • Relapsing polychondritis
  • Amyloidosis
  • Tracheopathia osteochondroplastica

  • Endobronchial lesion
    Organ: Bronchi
    Differential Dx:
  • Broncholith
  • Granulomatous disease
  • Adenoid cystic carcinoma
  • Squamous cell carcinoma
  • Metastasis
  • Mucoepidermoid, Carcinoid

  • Hypodense lymph nodes
    Organ: Mediastinum
    Pneumonic: TMM
    Differential Dx:
  • TB
  • MAC
  • Metastasis

  • Posterior mediastinal mass
    Organ: Mediastinum
    Differential Dx:
  • Neurogenic tumors
  • Lymph nodes
  • Extramedullary hematopoesis
  • Esophageal mass
  • Osseous lesions

  • Hyperdense lymph nodes
    Organ: Mediastinum
    Differential Dx:
  • Castleman disease
  • Kaposi sarcoma

  • Pediatric airway narrowing
    Organ: Airway
    Differential Dx:
  • Croup
  • Hemangioma
  • Iatrogenic
  • Foreign body
  • Vascular ring
  • Lymphoma

  • Chronic air space opacities
    Organ: Lungs
    Pneumonic: SABL
    Differential Dx:
  • Sarcoid
  • Alveolar proteinosis (no eff, no LN, no cmeg)
  • Bronchioloalveolar carcinoma
  • Lipoid PNA

  • Lung opacity in pediatric patient
    Organ: Lungs
    Differential Dx:
  • PNA
  • CCAM III
  • Duplication cyst
  • AVM
  • Hiatal hernia
  • Duplication cyst

  • Fleeting infiltrates
    Organ: Lungs
    Pneumonic: ELVA
    Differential Dx:
  • Eosinophillic PNA
  • Loffler syndrome
  • Vasculitis
  • ABPA

  • Peripheral opacities
    Organ: Lungs
    Pneumonic: CELI
    Differential Dx:
  • COP
  • Eosinophilic PNA
  • Loffler syndrome
  • Infarcts

  • Mosaic attenuation with air trapping
    Organ: Lungs
    Pneumonic: BAH
    Differential Dx:
  • BO
  • Asthma
  • HP

  • Mosaic attenuation with no air trapping
    Organ: Lungs
    Differential Dx:
  • Oligemia

  • Small calcified nodules
    Organ: Lungs
    Differential Dx:
  • Healed histoplasmosis
  • Healed varicela
  • Silicosis
  • Microlithiasis

  • Bronchiectasis
    Organ: Lungs
    Differential Dx:
  • CF
  • TB
  • ABPA
  • Post infectious
  • Primary ciliary dyskinesia

  • Unilaterally enlarged airways
    Organ: Lungs
    Differential Dx:
  • William-Campbell syndrome

  • Nodular airspace opacities
    Organ: Lungs
    Pneumonic: SESWEP
    Differential Dx:
  • Silicosis
  • LCH (fine)
  • Sarcoidosis (fine)
  • Wegener's granulomatosis (large)
  • Eosinophilic pna (peripheral)
  • Papillomatosis (with cavitations)

  • Rapidly growing nodules
    Organ: Lungs
    Differential Dx:
  • Septic infarcts
  • Fungal infections

  • Rapidly growing nodules
    Organ: Lungs
    Differential Dx:
  • Septic infarcts
  • Fungal infections

  • Chronic upper lung disease
    Organ: Lungs
    Pneumonic: SESCAT
    Differential Dx:
  • Silicosis
  • EG
  • Sarcoidosis
  • Cystic fibrosis
  • Ankylosing spondylitis
  • TB

  • Mycetoma
    Organ: Lungs
    Differential Dx:
  • TB
  • Sarcoid

  • Opacities in AIDS
    Organ: Lungs
    Pneumonic: CPK
    Differential Dx:
  • CAP
  • PCP
  • Kaposi sarcoma

  • Ground glass opacities
    Organ: Lungs
    Differential Dx:
  • HP
  • AP
  • NSIP
  • PIP

  • Calcified pleural plaques
    Organ: Lungs
    Differential Dx:
  • Asbestosis
  • Hemorrhage
  • Empyema

  • Pleural disease
    Organ: Lungs
    Differential Dx:
  • Metastasis
  • Mesothelioma
  • Invasive thymoma
  • Lymphoma
  • Fibrous tumor of the pleura
  • Hematoma, Infection, Asbestosis

  • Interlobular septal thickening
    Organ: Lungs
    Pneumonic: ELIS
    Differential Dx:
  • Edema
  • Lymphangitic spread
  • IPF
  • Sarcoidosis

  • Subleural and peribronchovascular nodular pat
    Organ: Lungs
    Pneumonic: SL SAL
    Differential Dx:
  • Sarcoidosis
  • Lymphangitic spread of tumor
  • Silicosis, Beryliosis
  • Amyloid
  • LIP

  • Centrilobular pattern
    Organ: Lungs
    Pneumonic: REH
    Differential Dx:
  • RB
  • Endobronchial spread of tumor
  • HP

  • Centrilobular pattern
    Organ: Lungs
    Pneumonic: HER SIP B
    Differential Dx:
  • HP
  • EG
  • RB
  • Sarcoidosis
  • Infection
  • Pneumoconiosis, BAC

  • Random pattern
    Organ: Lungs
    Pneumonic: HMM
    Differential Dx:
  • Hemtogenous metastasis
  • Miliary TB
  • Miliary fungal infection

  • Large nodules
    Organ: Lungs
    Differential Dx:
  • Wegener granulomatosis
  • Lymphomatoid hyperplasia
  • PTLD
  • Fungal infection
  • Metastasis

  • Thin walled cysts
    Organ: Lungs
    Differential Dx:
  • Pneumatocele
  • Cocci
  • Hydrocarbons
  • Cystic bronchiectasis

  • Cysts
    Organ: Lungs
    Differential Dx:
  • Bronchiectasis
  • Emphysema
  • EG
  • PCP
  • LAM
  • IPF, papillomatosis

  • Cavitary lesions
    Organ: Lungs
    Differential Dx:
  • TB
  • Infection
  • Septic emboli
  • Wegener granulomatosis
  • Papillomatosis
  • Metastasis

  • Basilar peripheral distribution
    Organ: Lungs
    Pneumonic: U SAD
    Differential Dx:
  • UIP/IPF
  • Scleroderma
  • Asbestosis
  • Drug reactions

  • Unilateral lung lucencies
    Organ: Lungs
    Pneumonic: COP BC
    Differential Dx:
  • Congenital lobar emphysema
  • Obstruction
  • Pulmonary atresia (small lung)
  • CCAM, Type I