Sayeh Shared "MCB" - 44 Picmonics

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MCB

Follicular Lymphoma
Derives from Germinal Center
Occurs in adults
T14;18
BCL 2 overexpression
BCL 2 inhibits apoptosis
Indolent
Generalized lymphadenopathy
Bone marrow involvement
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2 mins
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
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2 mins
Ewing's Sarcoma
Epidemiology
Most Common in Boys < 15 years old
Pathophysiology
11;22 Translocation
Characteristics
Long bones, Pelvis, Ribs
Diaphysis
Small Blue Cells
Malignant
Aggressive
Onion-skin Appearance
TREATMENT
Responsive to Chemotherapy
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2 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
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3 mins
Chronic Myelogenous Leukemia (CML)
Age 30 to 90 Years
BCR-ABL
9;22 Translocation
Philadelphia Chromosome
Tyrosine Kinase
Low Alkaline Phosphatase (ALK-P)
Splenomegaly
Blast Crisis can Accelerate and Transform to AML or ALL
Imatinib (Gleevec)
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2 mins
Squamous Cell Carcinoma of the Skin
Epidemiology
2nd Most Common Skin Cancer
UV Light Exposure
Long-term Immunosuppression
Arsenic Exposure
Signs/Symptoms
Ulcerative Red Lesion
Precursor Actinic Keratosis
Commonly Lower Lip
Diagnosis
Biopsy shows Keratin Pearls
Treatment
Mohs Micrographic Surgery
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2 mins
MEN 2A (Multiple Endocrine Neoplasia)
Pathophysiology
Autosomal Dominant
RET Gene
Signs and Symptoms
Medullary Thyroid carcinoma
Calcitonin
Parathyroid
Pheochromocytoma
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44 secs
Basal Cell Carcinoma of the Skin
Pathophysiology
Most Common Skin Cancer
2/3 of Cases Due to UV Light Exposure
Pink, Pearl-like Lesions
Rolled Borders
Telangiectasias
Commonly Upper Lip
Diagnosis
Shave Biopsy
Pallisading Nuclei
Treatment
Mohs Micrographic Surgery
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2 mins
Ataxia Telangiectasia
Pathophysiology
Autosomal Recessive
ATM Gene
Defect in DNA repair
Signs & Symptoms
Cerebellar defects
Spider Angiomas
Sensitive to Radiation
Defective Tumor Suppressor Gene
Increased risk of Cancer, Leukemias, and Lymphomas
Increased AFP levels
IgA deficiency
Repeated sinopulmonary infections
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2 mins
Neurofibromatosis Type 1
Pathophysiology
Autosomal Dominant
Chromosome 17
Signs and Symptoms
Neurofibromas
Optic Glioma
Lisch Nodules
Hamartomas
Cafe Au Lait Spots
Scoliosis
Pheochromocytoma
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4 mins
Familial Adenomatous Polyposis (FAP)
Pathophysiology
Autosomal Dominant
Mutation on Chromosome 5
APC Tumor Suppressor Gene Mutation
Overexpression of β-catenin
Two-Hit Hypothesis
manifestations
Postpubertal Appearance of Thousands of Polyps
Always Involves Rectum
Pancolonic
Associations
Hepatoblastoma
Most Patients Develop Colorectal Carcinoma (CRC) by 40 years of age
Interventions
Prophylactic Colectomy
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3 mins
Lynch Syndrome (Hereditary Nonpolyposis Colorectal Cancer)
Characteristics
Autosomal Dominant
Defective DNA Mismatch Repair
80% Risk of Colon Cancer Development
Proximal (Right) Colon
Type II associated with Endometrial, Ovarian and Skin Cancers
3-2-1 Rule
3 Relatives with Colon Cancer
Occurs Across 2 Generations
1 Relative Diagnosed < 50 Years Old
Treatment
Frequent Screening
Colectomy
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3 mins
Breast Cancer Diagnosis
Mammography
Ultrasound
MRI for High Risk Patients
Confirmed with Biopsy
Considerations
Lymph Node Involvement
Receptor Positivity
Estrogen and Progesterone Receptors
HER-2
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2 mins
Trastuzumab
Indications
HER-2+ Breast Cancer
Stomach cancer
Mechanism
Monoclonal antibody against HER-2
Inhibition of Cellular Signaling
Cytotoxicity
Side effects
Cardiotoxicity
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1 min
G6PD Deficiency
X-linked Recessive
Hemolytic Anemia
Inflammatory Response
Fava Beans
Sulfonamides
Primaquine
Anti TB Drugs
Heinz Bodies
Bite Cells
Prevalent Among African Americans due to Increased Malarial Resistance
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2 mins
Addison's Disease
Mechanism
Chronic 1° Adrenal Insufficiency
Atrophy
Destruction
Symptoms
Deficiency In Cortisol And Aldosterone
Skin Hyperpigmentation
Increased POMC
Hypotension
Hyperkalemia
Acidosis
Addisonian Crisis
Diagnosis
ACTH (Cosyntropin) Stimulation Test
Treatment
Exogenous Cortisol
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2 mins
Vitamin E Deficiency
Mechanism
Antioxidant
Protects Erythrocytes
Protects from Free Radical Damage
Deficiency Signs and Symptoms
Hemolytic Anemia
Posterior Column
Spinocerebellar Tract
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2 mins
Vitamin C Mechanism and Deficiency
Mechanism
Ascorbic acid
Antioxidant
Protects Against Free Radicals
Keeps Iron in Reduced State
Hydroxylation of Proline and Lysine
Necessary for Dopamine B Hydroxylase
Deficiency Signs and Symptoms
Scurvy
Swollen Gums
Bruising
Poor Wound Healing
Hemarthrosis
Perifollicular Hemorrhages
Anemia
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4 mins
Vitamin D Deficiency
Signs & Symptoms
Rickets in children
Bending bones
Rachitic rosary
Breast milk has decreased vitamin D
Osteomalacia in adults
Tetany from Hypocalcemia
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1 min
Vitamin A (Retinol) Function and Deficiency
Mechanism
Retinol
Constituent of Visual Pigments
Differentiation of Epithelial Cells into Specialized Tissue
Signs and Symptoms
Night Blindness
Dry Skin
Considerations
Used to Treat Measles
Antioxidant
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2 mins

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