8 results
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Chronic inflammatory disorders ... vera (PV) • Myelodysplastic ... syndrome • Myelofibrosis ... Chronic myeloid leukemia ... #hematology #secondary
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... Vasculitis - Collagen disorders ... cryoglobulins • Skin ... #dermatology #physicalexam
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
group of disorders ... just beneath the skin ... by bleeding (petechiae ... blood count with differential ... #hematology #oncology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
Neutrophils • Immature/Myeloblasts ... Significant ↓ PLT: Petechiae ... • Tumor lysis syndrome ... CLL -> Invade Skin ... #Hematology #Oncology
MIAMI Mnemonic for Differential Diagnosis of Lymphadenopathy
Malignancies
 - Kaposi sarcoma, leukemias, lymphomas, metastases, skin neoplasms
Infections
 -
Kaposi sarcoma, leukemias ... lymphomas, metastases, skin ... cytomegalovirus, hepatitis, herpes ... arthritis, Sjögren syndrome ... sarcoidosis Iatrogenic causes
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential ... Chikungunya - Herpes ... - Leukemia ... diagnosis #msk #physicalexam
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
Headaches • Pale skin ... bleeding, and petechiae ... Causes: • Constitutional ... virus (EBV) • Leukemia ... Anemia #oncology #hematology
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
gammopathy, and skin ... changes (POEMS syndrome ... Connective tissue disorders ... : Lymphoma, Leukemia ... Gap #ProteinGap #differential