30 results
Pulmonary Nodule
Evaluation is guided by nodule size & assessment of probability of malignancy. In addition is
Pulmonary Nodule ... yield of available diagnostic ... malignancy, clinical ... Management options ... 70% to 90% for a diagnosis
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
multiple ill-defined nodules ... can suggest the diagnosis ... the ill-defined nodules ... feeding vessel sign ... SepticEmboli #Cavity #RadiologyAssistant
Cheerio Sign (Open Bronchus Sign) on Chest CT
 • Pulmonary nodule with a central lucency
 •
CT • Pulmonary nodule ... and metastatic lung ... malignancy, rheumatoid nodules ... #diagnosis #radiology ... #clinical
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Feeding Vessel Sign ... nodule or mass ... Feeding #Vessel #Sign ... #diagnosis #radiology ... #clinical
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Nodular LCH: - Sarcoidosis ... : 'signet ring sign ... central dot. - LIP #Clinical ... Comparison #Table #RadiologyAssistant
CREST Syndrome: Pathogenesis and Clinical Findings

CALCINOSIS (BB-sized, hard nodules in fingers)
RAYNAUD'S Phenomenon
ESOPHAGEAL DYSMOTILITY
SCLERODACTYLY (thickening and tightening
CREST Syndrome: ... Pathogenesis and Clinical ... BB-sized, hard nodules ... Pathophysiology #Diagnosis ... #Signs #Symptoms
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• CT: Halo sign ... , erythematous nodules ... consolidation or nodular ... Imaging: Irregular nodules ... nodules possible
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... • Chronic lung ... Ground-glass opacities • Nodules ... : • Nephrotic syndrome ... #management
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
infections • Nodular ... Centrilobular nodules ... Lady Windermere Syndrome ... : • Syndrome of ... • Clinical (Symptoms
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
and Management ... granulomas within the lungs ... renal failure Clinical ... pernio, papules, nodules ... #Management #Signs