15 results
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Chronicity: • Acute ... (bacterial), acute ... #rheumatology # ... approach #workup ... #differential #
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Platelet Count - Differential ... → Refer to hematology ... for workup, including ... Inflammatory Conditions: Rheumatologic ... Diagnosis #Algorithm #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Thrombocytosis - Differential ... Thrombocytosis): • Acute ... infection • Solid ... myeloid leukemia (CML ... Diagnosis #Causes #hematology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Arthritis: • Acute ... or chronic infections ... #Pain #MSK #rheumatology ... #approach #workup ... #differential #
Basophilia - Differential Diagnosis Framework

Basophils < 1% of the total white blood cell count
Basophils function similarly
Basophilia - Differential ... myeloid leukemia (CML ... translocation • Acute ... thrombocythemia • Acute ... Diagnosis #causes #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... Diagnosis and Workup ... procedures - Infection ... changes), high MCV ... #hematology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
, APML, CLL Acute ... Malaise, bleeding, infections ... bone pain, fever, joint ... pain, bleeding, infections ... #Leukemia #Hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
can mimic common infections ... presents as an acute ... Ferritin >500 ng/mL ... Lymphohistiocytosis #diagnosis #management ... #treatment #hematology
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
• Rare: DAH, acute ... initiation • Differential ... Diagnosis: Infection ... APML #diagnosis #management ... #hematology #oncology
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
presents with acute ... pulmonary symptoms • Rheumatologic ... muscle aches, joint ... MC: CNS CSF: • ... Fungal #Diagnosis #Management