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
Sand Storm Sign on Chest CT
 • Diffusely dense pulmonary micronodular calcifications. Note the black pleural
on Chest CT • Diffusely ... arrow) • DDx: PAM ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Lymphangioleiomyomatosis- Computed tomography of the chest, reconstructed in the coronal plane at the level of the
tomography of the chest ... intraparenchymal pulmonary ... #LAM #radiology ... #CT #wedge #biopsy ... #NEJM
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
salivary gland) biopsy ... ducts Clinical ... phenomenon (16%) MSK ... MALT Lymphoma • Lung ... Symptomatic: artificial tears
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 ... , cough, chest pain ... anterior/posterior MSK ... #Management #Signs
Squamous-Cell Carcinoma of the Lung- ...Physical examination revealed decreased air entry in the base of the
A chest radiograph ... bronchoscopy and biopsy ... confirmed a diagnosis ... #NEJM #clinical ... #radiology #CT #
Disseminated Actinomycosis- ...Computed tomography of the chest and abdomen revealed multiple pulmonary nodules (Panel A) associated
tomography of the chest ... revealed multiple pulmonary ... Biopsy of the lung ... #NEJM #clinical ... #radiology #CT #