9 results
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
biliary, renal, lung ... concentration PET-CT ... #management #phenotypes ... #workup #treatment ... #rheumatology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... • Most common cause ... CT Lung Abscess ... Abscess Differential ... #causes #management
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
mononeuritis multiplex WORKUP ... Goodpasture's cause ... sparing of the lung ... CT ... #diagnosis #management
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Chronic lung ... Chest CT: • Ground-glass ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology ... #diagnosis #management
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Hematologic malignancy ... • Dyspnea, • Chest ... Imaging, high res CT ... NTM #Infections #differential
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
Hodgkin Lymphoma Workup ... Serum Copper • Chest ... Immunohistochemical studies (to differentiate ... classification #hematology ... #oncology #management
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
very remarkable w/differential ... in literature (NEJM ... (Cornelia NEJM ... day, followed by long ... #Management
Diagnosis and Management of Diffuse Alveolar Hemorrhage (DAH)
Blood escaping through the capillary wall into the alveoli,
Diagnosis and Management ... • DAH triad: lung ... CT scan: diffuse ... #Differential # ... Causes
Subglottic stenoses (SGS) during systemic diseases
Subglottic stenosis (SGS) = congenital (children) or acquired (adult) characterized by
Work-up: • Biology ... • Cervical and chest ... systemic #diseases #differential ... #diagnosis #causes ... #rheumatology