Pulmonary Infections — Flashcards

Flashcard 1: In a patient with an aspergilloma, the fungal ball moves to the _____ portion of the cavity on an upright chest X-ray, as it is gravity dependent.

Answer: dependent

Extra: Aspergillomas are mobile masses of fungal hyphae, debris, and mucus. They typically occupy pre-existing cavities (e.g., from tuberculosis or sarcoidosis) and shift to the dependent part of the cavity when the patient's position changes. This mobility distinguishes an aspergilloma from other cavitary lesions.

Flashcard 2: The _____ sign is seen in bronchiectasis on CT scan due to dilation of bronchus.

Answer: signet ring

Flashcard 3: Best X-ray view to diagnose pneumothorax is _____ in full expiration.

Answer: PA view

Flashcard 4: A _____ infiltrate is characteristic of Blastomycosis on CXR, along with lesions or cavities in the lungs

Answer: patchy alveolar

Flashcard 5: _____ sign describes the CT appearance of multiple areas of centrilocular nodules with a linear branching pattern in bronchiolitis

Answer: Tree-in-bud

Flashcard 6: Middle lobe pathologies of the lung are better seen on _____ view.

Answer: lordotic

Flashcard 7: _____ is seen as peripheral wedge of airspace opacity and implies lung infarction, in pulmonary embolism

Answer: Hampton hump (Sign)

Flashcard 8: The most common cause of bulging fissure on a Chest radiograph is _____.

Answer: Klebsiella pneumonia

Flashcard 9: CO-RADS _____ (very high level of suspicion for pulmonary involvement by COVID-19 based on typical CT findings)

Answer: 5

Flashcard 10: The following CXR is highly suggestive of what restrictive pulmonary pathology in a ~ 50 year old man? _____

Answer: Idiopathic Pulmonary Fibrosis