12 results
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... - Differential Diagnosis ... paraproteinemia, acute leukemia ... FEPO4 ≥ 5% - Renal ... • Normal or Low
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
- Differential Diagnosis ... Workup Algorithm ... • Euvolemic (Low ... , Cushing syndrome ... #Workup #Algorithm
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Algorithm - Systemic ... Skin Lesions == Macules ... • Lymphoma • Leukemia ... Myelodisplastic syndrome ... #generalized #dermatology
Pancytopenia - Workup and Differential Diagnosis Algorithm
Consumption Disorders
 1. Autoimmune Mediated Pancytopenia
 2. Splenic Sequestration
Peripheral Destruction
Pancytopenia - Workup ... Algorithm Consumption ... Production - Flow ... HLH syndrome 5. ... #Algorithm #Hematology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
involves face: macules ... CBC • Confirm: Flow ... • Richter’s Syndrome ... • Sezary syndrome ... #diagnosis #workup
Pancytopenia - Workup and Differential Diagnosis Algorithm
Consumption Disorders
 1. Autoimmune Mediated Pancytopenia
 2. Splenic Sequestration
Peripheral Destruction
Pancytopenia - Workup ... Algorithm Consumption ... Production - Flow ... HLH syndrome 5 ... #Algorithm #Hematology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... Chronic Myelogenous Leukemia ... • Hairy Cell Leukemia ... Workup: • Complete ... #diagnosis #hematology
Pruritus - No Primary Skin Lesion - Differential Diagnosis Algorithm

Blood Glucose:
 • Diabetes Mellitus
Liver Function Tests/Enzymes:
Algorithm Blood ... BUN: • Chronic renal ... • Lymphoma • Leukemia ... Myelodisplastic syndrome ... #generalized #dermatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
anti-Smith Ab, low ... Erythematous, macular ... Differential Diagnosis ... , lymphopenia, low ... Hodgkin lymphoma and leukemia
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 → start cefepime ± vancomycin (if
full infectious work-up ... acid, high LDH, low ... high d-dimer, low ... Usually myeloid leukemias ... Oncology #HemeOnc #Diagnosis