11 results
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
-> increased infection ... history of recurrent infections ... disease • Infectious ... infections (Epstein-Barr ... hypogammaglobulinemia #immunology #hematology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
Malaise, bleeding, infections ... pain, bleeding, infections ... bruising, bleeding, infection ... -> Invade Skin: ... #Leukemia #Hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
procedures - Infection ... IgA, IgG, IgM (CVID ... , WAS), (neurologic ... #Causes #Workup ... #hematology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
: • Most common ... weeks without infection ... Hepatomegaly • Skin ... #workup #oncology ... #hematology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
just beneath the skin ... petechiae) • Frequent infections ... Most common cytopenia ... • Parvovirus infection ... #hematology #oncology
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
Albumin > 4) Work-up ... Include: • Viral infections ... gastric tumors • Hematology ... anemia • Other ... #hematology
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Mycobacteria (NTM) Infections ... Factors For NTM Infections ... status NTM Cause ... • Disseminated infections ... lung infections
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
fibromyalgia) • Infections ... and CNS • Headache ... lymphopenia, low PLT • Anemia ... Kidney disease common ... with Lupus: • Chronic
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
to exclude are infections ... Recurrent middle ear infections ... , recent viral infection ... chorioretinitis, CNS ... #Rheumatology
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
History of EBV infection ... • Autoimmune disorders ... (NSHL) - (most common ... Hodgkin Lymphoma Workup ... classification #hematology