19 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Cystic LCH: - LAM ... : round cysts, evenly ... central dot. - LIP #Clinical ... #Cysts #Differential ... #Comparison #Table
Comparison of basophils and mast cells (in bone marrow).

#Basophils #MastCells #Pathology #Marrow #Smear #Microscopy #Comparison #Table
Comparison of basophils ... Marrow #Smear #Microscopy ... #Comparison #Table ... #Clinical #Diagnosis
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... bizarre shaped cysts ... #Clinical #Radiology ... #Pattern #Comparison ... #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
(LAM): regular cysts ... #Clinical #Radiology ... LowAttenuation #Cystic ... #Pattern #Comparison ... #Table #RadiologyAssistant
Urine Microscopy Crystals
Uric Acid crystals:
 - Formation promoted by acidic urine
 - Seen in tumor lysis
Urine Microscopy ... glycol ingestion Cystine ... EricsMedicalLectures/ #Urine #Microscopy ... #Crystals #comparison ... #table #urinalysis
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
before the typical cysts ... #Clinical #Radiology ... Nodular #Pattern #Comparison ... #Table #RadiologyAssistant
Common Fungal Pathology 
 • Candida - Small yeast intermingled with pseudohyphae
 • Aspergillosis - Septate
Fungal #Pathology #clinical ... #microscopy #table ... #atlas #key #comparison
Toxidromes Compared: Anticholinergic, Cholinergic, Opioid, Sympathomimetic, Sedative-Hypnotic

During your physical exam, look for evidence of some of
Sympathomimetic, Sedative-Hypnotic ... sympathomimetic or sedative-hypnotic ... further down) clinical ... Toxicology #Toxidromes #Comparison ... #Table #Anticholinergics
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
high index of clinical ... serology: Serial negative ... Frequent false-negative ... #Endocarditis #comparison ... Marantic #diagnosis #table
Important Fungal Stains
Mycology Lab:
 • Calcofluor white - Fluorochrome that binds glucans and chitin in fungal
• India ink - "Negative ... #microbiology #microscopy ... fungi #fungus #comparison ... #table