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pathology
Burkitt's Lymphoma
Adolescents or young adults
C-myc gene moves next to heavy chain Ig gene
T 8;14
Starry sky appearance
Sheets of lymphocytes with interspersed macrophages
Jaw lesion in endemic (African) form
Pelvis or abdomen in non endemic form (American form)
Associated with EBV
2 mins
Diffuse Large B Cell Lymphoma
Epidemiology
Most Common Non-Hodgkin’s Lymphoma
Usually in Older Adults
20% in Children
Features
May be Mature T Cell in Origin
Derives from Germinal Center
GI Tract and Brain
2 mins
Follicular Lymphoma
Derives from Germinal Center
Occurs in adults
T14;18
BCL 2 overexpression
BCL 2 inhibits apoptosis
Indolent
Generalized lymphadenopathy
Bone marrow involvement
2 mins
Mantle Cell Lymphoma
Older Males
Activation of Cyclin D Gene
T 11;14
CD5
Poor Prognosis
55 secs
Multiple Myeloma Pathophysiology
Pathophysiology
Monoclonal Plasma Cell Cancer
Clock Face Chromatin
Diagnosis
M Spike on Protein Electrophoresis
Increased IgG and IgA
Fried Egg Appearance (BM Biopsy)
Rouleaux Formation
Stacked RBC's
Bence Jones Protein
2 mins
Multiple Myeloma Signs and Symptoms
Signs and Symptoms
Increased Susceptibility to Infection
Back/Bone Pain
Punched Out Lytic Bone Lesions
Hypercalcemia
Primary Amyloidosis
Renal Insufficiency
Anemia
2 mins
Chronic Myelogenous Leukemia (CML)
Pathophysiology
BCR-ABL
9;22 Translocation
Philadelphia Chromosome
Signs & Symptoms
Tyrosine Kinase
Low Alkaline Phosphatase
Splenomegaly
Considerations
Blast Crisis
Age 30 to 90 Years
Responds to Imatinib
3 mins
Acute Myelogenous Leukemia (AML)
Myeloblasts Increase on Peripheral Smear
Median Onset 60 Years
T 15;17 M3 Subtype
Auer Rods
Disseminated Intravascular Coagulation (DIC) is a Common Presentation
M5 Gum Infiltration
Responds to Vitamin A
3 mins
Chronic Lymphocytic Leukemia (CLL)
Signs and Symptoms
Age > 60 Years
B Cell Neoplasm
Smudge Cells
Often Asymptomatic
Cold IgM Autoimmune Hemolytic Anemia
Warm IgG Autoimmune Hemolytic Anemia
Richter's Transformation
3 mins
Polycythemia Vera Disease
Pathophysiology
JAK2 Mutation leading to increased red blood cells
Tyrosine Kinase
Symptoms
Erythromelalgia
Pruritus
Often After Hot Shower
Headache
Treatment
Phlebotomy
Aspirin
1 min
Polycythemia Vera Labs
Lab Findings (The 4 H's)
Hypervolemia
Histaminemia
Hyperviscosity
Hyperuricemia
Diagnosis
Elevated Hemoglobin or Hematocrit
Positive Jak2 Mutation
1 min
Endometriosis Characteristics
Endometrial Tissue Outside of Uterus
Glands and Stroma
Most Common in Ovary, Pelvis, Peritoneum and Bowels
"Chocolate Cyst" in Ovary
Adenomyosis
Theories
Retrograde Flow
Metaplastic Transformation
Mullerianosis
2 mins
Endometriosis Symptoms and Treatment
Symptoms
Dysmenorrhea
Cyclic Pelvic Pain
Dyschezia
Dysuria
Dyspareunia
30-40% are Infertile
Treatment
Surgery
NSAIDs
OCPs
Progesterone (Progestins)
GnRH Agonists
1 min
Polycystic Ovarian Syndrome (PCOS) Treatment
Weight Loss
Oral Contraceptives
Clomiphene Citrate
Anti-androgens
Cyclic Progesterone for Endometrial Protection
Metformin
1 min
Krukenberg Tumor
Non-germ Cell Tumor
Lymphatic Spread to Ovaries
Metastasis
GI Malignancy
Mucin-secreting Signet Cell
34 secs
Choriocarcinoma
Germ-cell tumor
Trophoblastic tissue
Hematogenous spread to lungs
Malignant
Theca-lutein cysts
Hydatidiform Mole
hCG
59 secs
Pelvic Inflammatory Disease (PID)
Mechanism
Neisseria gonorrhoeae
Chlamydia Trachomatis
Symptoms
Cervical Motion Tenderness
Chandelier Sign
Salpingitis
Tubo-ovarian abscess
Hydrosalpinx
Complications
Ectopic Pregnancy
Infertility
Adhesions
Fitz-Hugh-Curtis Syndrome
2 mins
Tamoxifen
Mechanism of Action
Selective Estrogen Receptor Modulator (SERM)
Antagonist on Breast Tissue
Indications
ER-positive Breast Cancer
Side Effects
Decreased Risk of Osteoporosis
Increased Risk of Endometrial Cancer
Increased Risk of Venous Thromboembolism (VTE)
1 min
Ovarian Cystadenoma
Non-germ cell tumor
Serous
Unilocular
Bilateral
Mucinous
Multilocular
Benign
Most Common
49 secs
Ovarian Cystadenocarcinoma
Non-germ Cell Tumor
Mucinous
Peritoneal Spread
Serous
Psammoma Bodies
Bilateral
Malignant
Stromal Invasion
CA 125
BRCA-1 and Lynch Syndrome
1 min
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