DDX portions Flashcards
Peripheral causes of resorptive atelectasis
- Pneumonia
- Mucous plugging
- Post operative
Central causes of resorptive atelectasis
- Bronchogenic carcinoma
- Bronchial adenoma
- Foreign body
- Bronchial TB
- Lymphadenopathy
- Mediastinal Mass
- Aneurysm
Causes of Passive atelectasis
- Pneumothorax
- Hydrothorax
- Hemothorax
Causes of cicatrization atelectasis
- Tuberculosis
- Interstitial pulmonary fibrosis
- Silicosis
- Radiation therapy
Adhesive atelectasis causes
- Surfactant abnormality
Which type of atelectasis shifts the trachea away?
Passive
Which type of atelectasis shifts the trachea towards?
Resorptive
Cicatrilization
Adhesive
Causes of diffuse consolidation
- pulmonary edema
- unusual infections (PCC, opportunistic, immune compromised)
- sarcoidosis
- Histoplasmosis, TB
- bronchioalveolar carcinoma
- Idiopathic pulmonary hemorrhage
Causes of Localized consolidation
- Acute bacterial pneumonia
- Pulmonary TB
- Pulmonary infarct
- Bronchopulmonary sequestration
- Pancoast tumor
- Atypical pneumonia
Causes of solitary mass
- Bronchogenic carcinoma
- Hematogenous metastasis
- Hamartoma
- Tuberculoma
- Lung abcess
- Hydatid cyst
- Hematoma
- Bronchopulmonary sequestration
Causes of multiple masses
- Pulmonary metastasis
- lymphoma
- granulomatous infection
- rheumatoid nodules
- Wegener’s granulomatosis
Causes of pleural effusion
- CHF
- Pneumonia
- Neoplasm
- Infection (empyema)
- Trauma
- Embolism
- Connective tissue disease
- TB
- Abdominal disease
Causes of pleural calcifications
- Asbestos related
- Old empyema
- Old hemothorax
Causes of unilateral hilar enlargment
- bronchogenic carcinoma
Causes of bilateral hilar enlargement
- Lymphoma
- Infection
- Sarcoidosis
Causes of unilateral hemidiaphragm elevation
- Atelectasis
- Phrenic nerve palsy
- Splinting
- Eventration
- Subphrenic inflammation
Causes of bilateral hemidiaphragm elevation
- Poor inspiration
- Obesity
- Pregnancy
- Ascites
- Hepato-splenomegaly
Pathologies of the anterior mediastinum
- Retrosternal goiter
- Hodgekin’s lymphoma
- Thymic mass
- Germ cell Tumor
Pathologies of the middle mediastinum
- lymphadenopathy
- bronchogenic carcinoma
- aneurysm
- bronchogenic cyst
Pathologies of the posterior mediastinum
- hiatal hernia
- neurogenic tumors
- paravertebral masses
- meningocele
- Esophageal masses
- Aneurysm
Types of concretions
- phleboliths
- choleliths
- nephroliths
- appendicolith (fecalith)
- pancreatic concretion
- prostatic concretion
- liver granulomas
- spleen granuloma
Conduit wall calcifications
- Aorta calcifications
- Vas deferens calcification
Cystic calcifications
- Abdominal aortic aneurysm
- Common iliac aneurysms
- Splenic artery aneurysms
- Porcelein gallbladder
- dermoid cyst
- renal or adrenal cyst
Solid mass calcification
- lymph node (M/C)
- uterine leiomyoma
- adrenal gland abnormalities
- malignancies
- bowel adenomas
- hamartomas
- TB or pyogenic abscess
- dermoid cyst
