33 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 ... Clinical #Diagnosis #Radiology ... CTChest #Cystic #Cysts
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 ... #Clinical #Radiology
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
• Urinary casts ... [(U Na x P Cr) / ... (P Na x U Cr)] ... , P = Plasma, Cr ... #UNa #casts #glucosuria
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 ... #Clinical #Radiology
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
On a CXR the most ... When the cysts have ... seen and in many cases ... #Diagnosis #Radiology ... #Pulmonary #CXR
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
The CXR is of a ... LCH is called a ... On the CXR it is ... In many of such cases ... #Clinical #Radiology
Sarcoidosis
In this case the chest x-ray shows subtle findings that could be described as fine reticulation.
In
In many cases a ... #Clinical #Radiology ... #CXR #Sarcoidosis
In a later stage the nodules start to cavitate and become cysts.
These cysts start as round
These cysts start ... of LCH. ... patients with LCH ... #Clinical #Radiology ... #CTChest #LCH #
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Evaluation: Imaging (CXR ... Blood and sputum cx ... PCP DFA sputum, LDH ... Cryptococcal Ag, Urine
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Weakness - Dark urine ... ) • AKI: BUN/Cr ... Aldolase ↑ • LDH ... Cast formation: ... hour with goal urine