17 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : round cysts, evenly ... : 'signet ring sign ... #Cystic #Cysts ... #Differential #Comparison
Causes of Cystic Renal Mass - Differential Diagnosis Algorithm
Benign - Anechoic on ultrasound, Well-demarcated on ultrasound/CT,
- Simple Cysts ... sized kidneys, No cysts ... Multiple bilateral cysts ... Enlarged kidneys, Cysts ... Carcinoma - No signs
Water Lily Sign (Camalote Sign) on Chest CT
 • Hydatid cyst in the lung with a
Water Lily Sign ... (Camalote Sign) ... on Chest CT • Hydatid ... cyst in the lung ... • DDx: Hydatid cyst
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
cysts (LAM, LIP ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Diagram #Comparison ... TractionBronchiectasis #Cysts
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
them from cysts ... the surrounding lung ... #Radiology #CTChest ... #Cavity #Cyst # ... Emphysema #Comparison
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Computed Tomography (CT ... nodule, Hepatic cyst ... #Contrast #CT # ... POCUS #radiology #differential ... #diagnosis #comparison
Pseudobladder of large Ovarian Cyst in Torsion on POCUS - Sagittal View

Young female with sudden pelvic
large Ovarian Cyst ... Diagnosis/differential ... Large rt ovarian cyst ... midline ovarian cyst ... double bladder sign
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
no evidence of cystic ... Nasal polyps and signs ... CT) • Broncho-arterial ... Bronchiectasis #pulmonary #differential ... #diagnosis
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
caused by multiple cysts ... most challenging differential ... diagnosis in this ... the central dot sign ... Histiocytosis #Cystic
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Diagnosis Framework ... • CT: Halo sign ... AIDS #pulmonary #differential ... #diagnosis #infectiousdiseases