15 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: round cysts, evenly ... : 'signet ring sign ... central dot. - LIP #Clinical ... #Cysts #Differential ... #Comparison #Table
Causes of Cystic Renal Mass - Differential Diagnosis Algorithm
Benign - Anechoic on ultrasound, Well-demarcated on ultrasound/CT,
contrast - Simple Cysts ... sized kidneys, No cysts ... Multiple bilateral cysts ... Enlarged kidneys, Cysts ... Carcinoma - No signs
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
Pathogenesis and Clinical ... XR — scotty dog sign ... vertebrae • CT ... Spondylolisthesis #MSK ... #signs #symptoms
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
unicameral bone cyst ... Aneurysmal bone cyst ... blade of grass sign ... degenerative subchondral cyst ... Radiology #XRay #MSK
Diagram of different types of bone tumors that can occur around the knee on XRay -
blade of grass sign ... degenerative subchondral cyst ... island • Stress fracture ... #Bone #Tumors #Diagnosis ... Radiology #XRay #msk
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
- Differential Diagnosis ... Algorithm - ... Marfan's Syndrome ... • Abscess • Cyst ... Vascular #JointPain #MSK
Popliteal (Baker’s) Cyst: Pathogenesis and clinical findings
 • Idiopathic
 • Meniscal Lesions
 • Osteoarthritis
 • Rheumatoid
Popliteal (Baker’s) Cyst ... Pathogenesis and clinical ... : • Popliteal cysts ... • Popliteal cysts ... pathophysiology #signs
Water Lily Sign (Camalote Sign) on Chest CT
 • Hydatid cyst in the lung with a
Water Lily Sign ... (Camalote Sign) ... cyst in the lung ... • DDx: Hydatid cyst ... .2016.12.033 #WaterLily #Sign
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
pathognomonic signs ... high index of clinical ... is required for diagnosis ... #Endocarditis #comparison ... #table
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
myasthenia Diagnosis ... test - Cogan sign ... - Peek sign ... Imaging - CT Chest ... Myasthenia #Gravis #diagnosis