29 results
Osteosarcoma 
Most common primary malignant bone tumor in children 
Most Common Sites of Involvement:
1. Distal femur
proximal femur Clinical ... injury • Systemic symptoms ... #Osteosarcoma #Diagnosis ... #Features #Oncology ... #Peds #Pediatrics
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
Pathogenesis and clinical ... the mastoid air cells ... #Mastoiditis #pathophysiology ... #signs #symptoms ... #diagnosis #otology
Acute Rheumatic Fever: Pathogenesis and Clinical Findings

Delayed autoimmune reaction
-> Molecular mimicry
-> GAS antigen cross-reacts with host
->
Pathogenesis and Clinical ... B and CD-4+ T cells ... RheumaticFever #pathophysiology ... #diagnosis #signs ... #symptoms #complications
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Autoimmune diseases • Clinical ... type (B cell, T cells ... natural killer (NK) cells ... Differential Diagnosis ... NonHodgkins #comparison #oncology
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Pathogenesis and clinical ... mutated in all cells ... Retinoblastoma #pathophysiology ... ophthalmology #diagnosis ... #signs #symptoms
X-Linked Agammaglobulinemia: Pathogenesis and clinical findings
The epidemiology of this disease is 1/340,000 births and roughly double
Pathogenesis and clinical ... 40% of patients diagnosed ... maturation of B cells ... from precursor cells ... CD19+) and plasma cells
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
from mature B cells ... Reed-Sternberg cells ... Hodgkin Lymphoma - Clinical ... ingestion • B symptoms ... classification #hematology #oncology
Aplastic Anemia - Overview

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

What?
• Aplastic anemia
Aplastic Anemia Clinical ... hematopoietic stem cells ... number of CD34+ cells ... number of CD34+ cells ... Number of CD34+ cells
Chronic Lymphocytic Leukemia (CLL) - Summary
Overview: 
 • Most common leukemia in adults
 • Disorder of
minimal tumor burden Diagnosis ... lymphocytes, smudge cells ... immunophenotype Clinical ... Lymphocytic #Leukemia #oncology ... hematology #hemeonc #diagnosis
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
with no early symptoms ... Skin: - CLL cells ... smear: Smudge cells ... or basket cells ... #workup #oncology