9 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Vitamin B12 or Folate ... Bite Cell RBC: G6PD ... #Morphology #differential ... #diagnosis #hematology ... #microscopy #atlas
Algorithm for the evaluation of macrocytic anemia. (RBC = red blood cell; MMA = methylmalonic acid.)
Physicians
(RBC = red blood ... reticulocyte count is elevated ... of the initial work-up ... #VitaminB12 #Folate ... #AAFP
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
transform into a RBC ... , Vitamin B12, Folate ... , Intrinsic RBC ... defects (e.g. sickle cell ... #anemia #differential
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Chronic Lymphocytic ... • Neutropenia, anemia ... Elevated LDH 5. ... Elevated beta 2 ... Leukemia #diagnosis #workup
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Send for cell count ... = Worry about late ... Joint #Pain #MSK #rheumatology ... #approach #workup ... #differential #
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
Lymphoma (HCV) • CLL ... syndrome • Erythema elevatum ... +Organomegaly+↑RBC ... (-) hemolytic anemia ... #Monoclonal #Differential
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
Weight loss • Anemia ... Immune hemolytic anemia ... Hodgkin Lymphoma Workup ... Inflammatory marker elevated ... Immunohistochemical studies (to differentiate
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... Non-autoimmune rheumatologic ... sediment, and elevated ... lymphopenia, low PLT • Anemia ... with Lupus: • Chronic
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
Elevated Globulin ... Albumin > 4) Work-up ... autoimmune hepatitis, PBC ... anemia • Other ... Gap #ProteinGap #differential