12 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... Cystic LCH: - LAM ... : round cysts, evenly ... #Cysts #Differential ... #Comparison #Table
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... LCH: multiple round ... bizarre shaped cysts ... LowAttenuation #Cystic ... #Pattern #Comparison
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
histiocytosis (LCH ... multiple thick walled cysts ... (LAM): regular cysts ... LowAttenuation #Cystic ... #Pattern #Comparison
In a later stage the nodules start to cavitate and become cysts.
These cysts start as round
In a later stage ... of LCH. ... patients with LCH ... Radiology #CTChest #LCH ... LangerhansCellHistiocytosis #Late
On the left radiological pathological correlation of Langerhans cell histiocytosis in respectively nodular stage and early
and early and late ... cystic stage. ... CTChest #Microscopy #LCH ... LangerhansCellHistiocytosis #Late
HRCT findings in Langerhans cell histiocytosis:
Early stage:
- Small irregular or stellate nodules in centrilobular location.
Late stage
Late stage (more ... commonly seen) - Cystic ... airspaces Cysts ... There are no cysts ... Radiology #CTChest #LCH
Sellar / Pituitary Mass - Differential Diagnosis Algorithm
Adenoma - Primary Anterior Pituitary
 - Secreting
Differential Diagnosis Algorithm ... • TSH • LH ... Meningioma • Cyst ... Differential #Diagnosis #Algorithm
Langerhans cell histiocytosis is an uncommon disease characterised by multiple cysts in patients with nicotine abuse.
In
characterised by multiple cysts ... nodules, that later ... cavitate and become cysts ... LangerhansCellHistiocytosis #LCH
Causes of Male Infertility - Differential Diagnosis Algorithm
Sperm Transport:
 • Vasectomy
 • Cystic fibrosis gene mutation
Differential Diagnosis Algorithm ... Vasectomy • Cystic ... Ejaculatory duct cysts ... hypogonadism) Low FSH/LH ... problem) High FSH/LH
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Differential Diagnosis Algorithm ... Ascariasis, Choledochal cyst ... Malignancy, PBC, PSC, Cystic ... synthesis rises later ... muscle, kidneys • LDH