Michael Shared "Copy of Copy of Endo/GU #2" - 40 Picmonics
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Copy of Copy of Endo/GU #2
Minimal Change Disease
Pathophysiology
Nephrotic
Most Common in Children
May be Triggered by Recent Infection or Immune Stimulus
Diagnosis
On Electron Microscopy (EM) See Foot Process (Podocyte) Effacement
On Light Microscopy (LM) See Normal Glomeruli
Loss of Negative Charge
Selective Loss of Albumin
Treatment
Responds to Corticosteroids
2 mins
Focal Segmental Glomerulosclerosis
Most Common Cause of Nephrotic Syndrome in Hispanic People and African Americans
Associated with Sickle Cell Disease and HIV
Associated Interferon Therapy and Heroin Abuse
Histopathology
LM Segmental Sclerosis and Hyalinosis
EM Focal Damage of Visceral Epithelial Cells
IF Negative
Signs & Symptoms
Microscopic Hematuria
Nonselective Proteinuria
Considerations
Poor Prognosis
2 mins
Membranous Glomerulonephritis
Characteristics
Nephrotic
Diagnosis
LM Thickening of Capillary and Glomerular Basement Membrane (GBM)
EM Spike and Dome Appearance with Subepithelial Deposits
IF Granular
Primary
Phospholipase A2 Receptor Autoantibodies
Secondary
NSAIDS
Gold
Solid Tumors
Hepatitis B Virus (HBV)
Lupus
3 mins
Membranoproliferative Glomerulonephritis
Nephritic-Nephrotic Syndrome
Type I
Subendothelial Immune Complexes
Hepatitis C Virus
Granular IF
Tram Tracks Caused by Splitting of the GBM
Ingrowth of Mesangium
Type II
Dense Deposit Disease
C3 Nephritic Factor
2 mins
Post Streptococcal Glomerulonephritis
Pathophysiology
Nephritic
Children
Signs and Symptoms
Edema
Cola Colored Urine
Follows Group A Streptococcal pharyngitis or Skin Infection
Diagnosis
Neutrophils
Immunofluorescence (IF) Granular
Lumpy Bumpy Appearance on Immunofluorescence (IF)
Subepithelial Immune Complex Humps
2 mins
Berger's Disease (IgA Nephropathy)
Nephritic
IgA Nephropathy
Immune Complex Deposit in Mesangium
Increased Synthesis of IgA
Most Common Cause of Nephritic Syndrome
Overlapping Features with Henoch–Schönlein Purpura
Presents with Pharyngitis, URI or Acute Gastroenteritis
1 min
Alport Syndrome
Pathophysiology
Nephritic
X-linked
Mutation in Type IV Collagen
Diagnosis
Split Basement Membrane
Basket Weave Appearance
Signs and Symptoms
Ocular Disorders
Deafness
2 mins
Anti-glomerular Basement Membrane Antibodies
Glomerulonephritis
Goodpasture's Disease
Linear immunofluorescence
Hemoptysis
Hematuria
1 min
Diabetic Glomerulonephropathy
Pathophysiology
Nonenzymatic Glycosylation of Glomerular Basement Membrane
Nonenzymatic Glycosylation of Arterioles
Hyperfiltration
Increased GFR
Histological Findings
Hyaline Arteriolosclerosis
Mesangial Expansion
Type IV Collagen Deposition
Kimmelstiel Wilson Lesions
Presentation
Nephrotic
2 mins
Amyloidosis
Etiologies
Primary
Multiple Myeloma
Secondary
Tuberculosis (TB)
Rheumatoid Arthritis
Pathology
Congo Red Stain
Apple Green Birefringence
Complications
Nephrotic Syndrome
2 mins
Henoch-Schonlein Purpura
Most Common Childhood Vasculitis
Follows Pharyngeal or Respiratory Infection
Palpable Purpura on Legs and Buttocks
Arthralgia
Intestinal Hemorrhage
Black Stool (Melena)
Associated with IgA Nephropathy
2 mins
Nephritic Syndrome
Inflammatory
Hematuria
RBC casts
Increased Nitrogen in blood
Oliguria
Hypertension
Proteinuria < 3.5 grams per day
2 mins
Nephrotic Syndrome
Signs and Symptoms
Massive Proteinuria > 3.5g per Day
Edema
Increased risk of infection
Thromboembolism
Hyperlipidemia
Fatty casts
1 min
Rapidly Progressive Glomerulonephritis
Pathogenesis
Nephritic Syndrome
Crescent Shape
Crescents Consist of Fibrin and C3b
With Parietal Cells, Monocytes, and Macrophages
IMMUNOFLUORESCENCE
Linear Immunofluorescence
Negative Immunofluorescence
Granular Immunofluorescence
Etiology
Goodpasture Syndrome
Granulomatosis with Polyangiitis (Formerly Wegener's)
Microscopic Polyangiitis
Prognosis
Poor Prognosis
3 mins
Wilms' Tumor (Nephroblastoma)
Cause
Malignant Renal Tumor
Assessment
Abdominal Mass
Hematuria
Fever
Hypertension
Interventions
Nephrectomy
Chemotherapy
Radiation
Considerations
Do Not Palpate Abdomen
Children Under 5 Years Old
2 mins
Papillary Thyroid Carcinoma
Characteristics
Most Common Thyroid Cancer
Excellent Prognosis
Lymphatic Spread
Diagnosis
Orphan Annie Nuclei
Empty Nuclei with Central Clearing
Psammoma Bodies
Risk Factors
Head and Neck Radiation
RET and BRAF Mutations
Gardner Syndrome
Cowden Syndrome
2 mins
Medullary Thyroid Carcinoma
Sporadic and Familial Types
Arises from Parafollicular C cells
Produces Calcitonin
Hypocalcemia
May Produce ACTH
Diagnosis
Sheets of Cells With Amyloid Deposition
Increased Calcitonin with Pentagastrin Infusion
Risk Factors
MEN 2A and 2B
2 mins
Follicular Thyroid Carcinoma
Characteristics
Most Common to Present as Solitary Cold Nodule
Hematogenous Spread
Good Prognosis
Histological findings
Uniform Follicles
May Invade Capsule
Risk factors
Head and Neck Radiation
1 min
Anaplastic Thyroid Cancer
Pathophysiology
Rapidly Progressive
Poor Prognosis
Hoarseness
Diagnosis
Invades Local Structures
Mixed Morphology
Risk Factors
Multinodular Goiter
Older Age
History of Thyroid Disease
2 mins
Thyroid Gland
Characteristics
TSH Stimulates T3 and T4 Release
Metabolism Regulation
Blood Calcium Sensor
Calcitonin Release
Blood Calcium Decreases
Bone Building
2 mins
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