51 results
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... Generally affects long bones ... predispose to other orthopedic ... BrighamChiefs #Bone ... #hematology
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Fragility Fractures - Differential ... Tumours - See Bone ... • Bone Marrow ... Diagnosis #Algorithm #Orthopedics ... #Causes
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Peripheral Vascular Disease ... fractured long bone ... Marfan's Syndrome ... • Dislocated Bone ... #Causes
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
inflammatory disorder of bone ... • Bone and joint ... Rule out other causes ... osteoarticular and skin disease ... diagnosis #management #Dermatology
Pancytopenia - Workup and Differential Diagnosis Algorithm
Consumption Disorders
 1. Autoimmune Mediated Pancytopenia
 2. Splenic Sequestration
Peripheral Destruction
Flow cytometry, Bone ... HLH syndrome 5. ... Alcoholism Bone ... • Congenital bone ... Metastatic Disease
Pancytopenia - Workup and Differential Diagnosis Algorithm
Consumption Disorders
 1. Autoimmune Mediated Pancytopenia
 2. Splenic Sequestration
Peripheral Destruction
Flow cytometry, Bone ... HLH syndrome 5 ... Alcoholism Bone ... • Congenital bone ... Metastatic Disease
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
Causes of Hypercalcemia ... due to increased bone ... failure, Addison's disease ... calcium)-alkali syndrome ... #differential #
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
D) Increased bone ... of bone Malignancy ... Multiple myeloma (bone ... • Milk-alkali syndrome ... endocrinology #diagnosis #differential
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Drug induced - Bone ... Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... #nonpalpable #dermatology
Multiple Myeloma and Monoclonal Gammopathies
C - HyperCalcemia- calcium > 11 mg/dL / >1 mg/dL the ULN
R
g/dl LLN B - Bony ... more: • Clonal bone ... Causes of false- ... plasmacytoma, POEMs syndrome ... MGUS #diagnosis #hematology