12 results
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
on Chest CT • ... consolidation or nodular ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Other tests: • CT ... confirm DAH, r/o infection ... sparing of the lung ... CT ... differential #diagnosis #management
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
40 years • Can present ... to 8 years Clinical ... • Chronic lung ... Chest CT: • Ground-glass ... and M panel Management
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Nodular or cavitary ... Disease: Clinical ... • Dyspnea, • Chest ... Disease: • Clinical ... Imaging, high res CT
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
and Management ... polymicrobial infection ... Lung Abscess - Clinical ... CT Lung Abscess ... #Abscess #pulmonary
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... pain may be present ... • CT: Halo sign ... #Infections #HIV ... #AIDS #pulmonary
Immune Reconstitution Inflammatory Syndrome - Overview of IRIS

What Is IRIS?
	• A state of hyperinflammatory response that
Paradoxical IRIS ... initiation Clinical ... skin lesions, ocular ... Zoster flare, ocular ... Differential #Diagnosis #Management
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
Amiodarone Induced Lung ... • Can rarely present ... • Reticular + Nodular ... failure - Infectious ... #diagnosis #management
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
History of EBV infection ... Hodgkin Lymphoma - Clinical ... Mediastinal mass) • CT ... physical exam, CT ... hematology #oncology #management
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
murmur 3/6) - Pulmonary ... Skin exam for infection ... Change in clinical ... unless prior heart/lung ... medical and surgical management