9 results
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Differential Diagnosis ... anti-ANCA ab, anti-GBM ... resolution chest CT ... out infection, biopsy ... #differential #diagnosis
Computed tomography (CT) of the abdomen showed air in multiple small cysts within the wall of
Computed tomography (CT ... consistent with a diagnosis ... of pneumatosis cystoides ... #Radiology #CT # ... #Pneumatosis #NEJM
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
antibody, Anti-GBM ... usually low in anti-GBM ... Other tests: • CT ... of PRS: Biopsy ... seen on chest CT
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
Retroperitoneum and aorta ... pancreas, biliary, renal ... concentration PET-CT ... orientation, Biopsy ... (new biopsy+++)
Lymphangioleiomyomatosis- Computed tomography of the chest, reconstructed in the coronal plane at the level of the
confirmed the diagnosis ... average age at diagnosis ... Lymphangioleiomyomatosis #LAM #radiology ... #CT #wedge #biopsy ... #NEJM
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... pulmonary and renal ... < 30 years • Aorta ... Arteritis): • Aorta ... ESR > 50mm/hr • Biopsy
Aortic dissection on Cardiac CTA

This is a amazing gated CTA showing a real time cine clip
CTA showing a real ... Diagnosis is usually ... made by a CT scan ... The diagnosis can ... #radiology #aorta
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Disseminated Actinomycosis- ...Computed tomography of the chest and abdomen revealed multiple pulmonary nodules (Panel A) associated
Biopsy of the lung ... patient received a diagnosis ... #NEJM #clinical ... #radiology #CT #
Squamous-Cell Carcinoma of the Lung- ...Physical examination revealed decreased air entry in the base of the
bronchoscopy and biopsy ... confirmed a diagnosis ... #NEJM #clinical ... #radiology #CT #