Jacob Shared "Pathology Block 2 Exam 2" - 14 Picmonics
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Pathology Block 2 Exam 2
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
2 mins
Myotonic Dystrophy
- Pathophysiology
- Autosomal Dominant
- Trinucleotide Repeat
- CTG
- Signs and Symptoms
- Facial Muscle Weakness
- Frontal Balding
- Sustained Grip
- Conduction Defects
- Cataracts
- Selective Atrophy of Type 1 Fibers
- Testicular Atrophy
2 mins
Guillain-Barre Syndrome Assessment
- Assessment
- Ascending Paralysis
- Muscle Weakness
- Paresthesias (Pins and Needles)
- Diplopia
- Difficulty Speaking
- Dysphagia
- Labile Blood Pressure
- Loss of Bowel and Bladder Control
- Considerations
- Aggressive Airway Management
2 mins
Lambert-Eaton Syndrome
- Mechanism
- Autoantibody to the Presynaptic Calcium Channel on Motor Neurons
- Inhibits Acetylcholine (ACh) Release at Neuromuscular Junction
- Paraneoplastic Syndrome
- Small Cell Lung Cancer
- Symptoms
- Proximal Muscle Weakness
- Improves with Muscle Use
- Autonomic Symptoms
- Extraocular Muscle Sparing
2 mins
Osteosarcoma
- Pathophysiology
- Osteogenic Sarcoma
- Peak incidence men 10-20 years old
- Metaphysis of Long Bones
- Knee Region
- Radiation
- Familial Retinoblastoma
- Paget's Disease
- Diagnosis
- Codman Triangle
- Sunburst Pattern from Elevated Periosteum
- Grave Prognosis
2 mins
Chondrosarcoma
- Pathophysiology
- Cartilaginous tumor
- Malignant
- Men 30-60 years old
- Pelvic and femur bones
- Signs & Symptoms
- Glistening mass in medullary cavity
- Can be primary in origin or from osteochondroma
- Metastasize to lungs
1 min
Giant Cell Tumor
- Pathophysiology
- Osteoclastoma
- Epiphyseal End of Long Bones
- Peak Incidence 20-40 Years
- Benign
- Knee Region
- Diagnosis
- Soap Bubble Appearance on X-ray
- Spindle-shaped Cells
- Multinucleated Giant Cells
46 secs
Polymyositis / Dermatomyositis Disease
- Pathophysiology
- Idiopathic Inflammatory Myopathy
- More Common in Women
- Endomysial Inflammation with CD8+ Cells (Polymyositis)
- Perimysial Inflammation with CD4+ Cells (Dermatomyositis)
- Signs and Symptoms (Both)
- Symmetric Proximal Muscle Weakness
- Dysphagia
- Lung and Cardiac Involvement
- Signs and Symptoms (Dermatomyositis)
- Malar Rash
- Shawl-like Shoulder Rash
- Gottron Papules on Knuckles
- Heliotrope Rash
3 mins
Myasthenia Gravis
- Mechanism
- Antibodies to Acetylcholine Receptor
- Symptoms
- Ptosis
- Diplopia
- Weakness with Muscle Use
- Respiratory Death
- Thymus Associated
- Treatment
- Acetylcholinesterase Inhibitors
- Plasmapheresis
- Thymectomy
1 min
Muscular Dystrophy
- Mechanism
- X-linked Recessive
- Signs and Symptoms
- Muscle Weakness
- Motor Problems
- Gower Sign
- Large Calves
- Waddling Gait
- Loss of Ambulation
- Consideration
- Cardiac and Respiratory Failure
2 mins
Pompe Disease
- Pathophysiology
- Type II Glycogen Storage Disease
- Autosomal Recessive
- Deficiency of Lysosomal Alpha 1,4 Glucosidase
- Acid Maltase
- Signs and Symptoms
- Hypertrophic Cardiomyopathy
- Hepatomegaly
- Macroglossia
- Hypotonia
- Diagnosis
- Increased Glycogen within Lysosomes
- Increased Lactate Dehydrogenase (LDH)
- Increased Creatine Kinase (CK/CPK)
2 mins
McArdles Disease
- Pathophysiology
- Type V Glycogen Storage Disease
- Muscle Glycogen Phosphorylase Deficiency
- Signs and Symptoms
- Increased Glycogen in Muscle
- Painful Muscle Cramps
- Myoglobinuria
- Normal Lactic Acid
- Treatment
- Vitamin B6
2 mins
Osteoma/Osteoid Osteoma/Osteoblastoma
- Osteoma
- Both are benign
- Osteoma: surface of facial bones
- Associated with Gardner Syndrome
- Osteoid Osteoma
- Tumor of osteoblasts
- Arises in cortex of long bones
- Men<25
- Bone pain that resolves with aspirin
- Imaging: Mass with radiolucent osteoid core
- Osteoblastoma
- Osteoblastoma similar to osteoid osteoma
- Arises in vertebrae
- Pain doesn't resolve with aspirin
Inclusion Body Myositis
- clinical presentation
- Adults older than 50
- Asymmetrical weakness
- Microscopically
- Cytoplasmic vacuoles with basophilic granules and amyloid
- Diagnosis
- Elevated creatine kinase
- Biopsy
