8 results
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... CT • SPN or mass ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... Sign) on Chest ... #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 ... or serologies + symptoms ... sparing of the lung ... CT
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
/Other RGM • Cardiac ... Disease: Clinical ... Disease: • Clinical ... (Symptoms, Imaging ... , high res CT)
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... • CT: Halo sign ... Constitutional symptoms ... #Infections #HIV ... #AIDS #pulmonary
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Skin exam for infection ... indicated • EKG ... Obtain EKG if: ... Change in clinical ... unless prior heart/lung
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
granulomas within the lungs ... renal failure Clinical ... Pulmonary: dyspnea ... neuropathy or cardiac ... Diagnosis #Management #Signs
Disseminated Actinomycosis- ...Computed tomography of the chest and abdomen revealed multiple pulmonary nodules (Panel A) associated
tomography of the chest ... revealed multiple pulmonary ... progressive bacterial infection ... #NEJM #clinical ... #radiology #CT #