6 results
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Approach to Joint ... Enthesitis: • Site of pathology ... #MSK #rheumatology ... #approach #workup ... #differential #diagnosis
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Chemotherapy (e.g ... Unstable hemoglobin disorders ... #differential #diagnosis ... #hematology #microscopy ... #atlas #nomenclature
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Approach to Joint ... Differential Diagnosis ... Mechanical/degenerative disorders ... tuberculosis) • Fungi ... #MSK #rheumatology
Indications for Serum Protein Electrophoresis (SPEP)
 • Suspected multiple myeloma, Waldenström's macroglobulinemia, primary amyloidosis, or related
amyloidosis, or related disorder ... possible malignancy (e.g ... • Unexplained pathologic ... Electrophoresis #SPEP #Hematology ... #Diagnosis
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... metabolic or endocrine disorders ... , and low back pain ... (to support a diagnosis ... #diagnosis #testing
Solitary Cell Plasmacytoma

What?
• Plasma cell neoplasms can present as a single lesion (solitary plasmacytoma)
• In 3%
presents with pain ... red bone marrow, e.g ... Biopsy: Solitary disorder ... IFE, FLC assay Pathology ... #Workup #Hematology