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Chest

This category contains 73 posts

Solution to Unknown Case #33 – Ductus Bump or Ductus Diverticulum

History: male involved in high speed motor vehicle accident with chest pain.  This is a good example of a ductus diverticulum, or ductus bump. A ductus diverticulum is a focal smooth outpouching of the aortic wall at the aortic isthmus where the obliterated ductus arteriosus (the ligamentum arteriosum) is attached to the aorta. The ductus … Continue reading

Unknown Case #33 – High speed motor vehicle accident

History: male involved in high speed motor vehicle accident with chest pain. What is your diagnosis? Comment and share below! Thanks to Justin Tan, M.D. for these images.

CT of the Chest Soft Tissue Windows Axial Anatomy

The follow slides are from WikiRadiography (WetPaint) here.

Solution to Unknown Case #23 – Empyema (loculated pleural effusion)

History: Child with cough.  This is the appearance of an empyema on a lateral decubitus chest radiograph. Pleural effusions are classified as either transudative (simple fluid) or exudative (complex fluid containing pus, blood, or protein). On ultrasound, transudative pleural effusions are anechoic and simple appearing, whereas exudative pleural effusions are complex appearing with echogenic debris and … Continue reading

Unknown Case #23 – Pediatric Lateral Decubitus Chest Radiograph

History: Child with cough.  What is your diagnosis? Comment and share below!

CT of the Chest Lung Windows Axial Anatomy

These slides were taken from WikiRadiography (WetPaint) here.

Honeycomb Lung Mnemonic – BIG HIPS

This mnemonic has been commonly used to recall the causes of honeycomb lung: BIG HIPS B – Bleomycin I – Idiopathic (see this case of UIP) G – Granulomas H – Histiocytosis X (or Langerhans cell histiocytosis or eosinophilic granuloma) I – Interstitial Pneumonia P – Pneumoconiosis S – Sarcoidosis Adapted from here.

Cardiophrenic Angle Mass Mnemonic – FAT PAD

This mnemonic has been commonly used to recall the differential diagnosis of a cardiophrenic angle mass: Fat PAD F – Fat P – Pericardial Cyst A – Adenopathy (lymph nodes), Aneurysm D – Diaphragmatic hernia See a Bochdalek Hernia here.

Solitary Lung Mass Mnemonic – CASH PLEASE

This mnemonic has been commonly used to recall the differential diagnosis for a solitary lung mass: CASH PLEASe C – Cancer A – Abscess S – Solitary Metastasis H – Hamartoma P – Pseudotumor L – Lymphoma E – Echinococcus A – Actinomyces S – Sequestration See a case discussion of solitary lung mass here.

Multiple Pleural Masses Mnemonic – MALLETS

This mnemonic has commonly bean used to recall the differential diagnosis of multiple pleural masses: M – Mesothelioma  A – Adenocarcinoma L – Lymphoma L – Leukemia E – Empyema T – Thymoma S – Splenosis See pleural cases here.

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