8 results
Causes of Fat Malabsorption - Differential Diagnosis
Biliary Duct Obstruction
 • Autoimmune— PBC, PSC
 • Infection— liver
Causes of Fat Malabsorption ... - Differential ... • Malignancy— lymphoma ... • Immunodeficiency ... - Acquired • Chronic
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
infection risk secondary ... • Nodules • Lymphoid ... serum IgG level X2 at ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology
Causes of Neutropenia - Differential Diagnosis
Neonate:
 - Infection - by far the most common cause
 -
- Differential ... Infection - by far ... Constitutional disorders, eg ... vascular disorders - Immunodeficiency ... #hematology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... weeks) Can Be Caused ... Rheumatologic Disease ... tuberculosis) • Fungi, secondary ... Diagnosis #MSK #rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... diseases: - 10% ... Type III Often Secondary ... diagnosis #types #classification ... #rheumatology #
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Classification: ... permanent alopecia Differential ... rheumatologic diseases ... with Lupus: • Chronic ... Erythematosus #Diagnosis #Rheumatology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
DDX: Rule Out Secondary ... Marrow Failure • Chronic ... Myeloproliferative Disease ... #diagnosis #hematology ... #oncology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
- Differential ... Aldolase levels • EMG ... statins - probably caused ... Myositis #Myopathy #rheumatology ... #differential #