Acanthosis Nigricans
- Endocrine Disorders
- Diabetes Mellitus
- Obesity
- Malignancy
- Velvety Plaques
- Dark, Thickened Flexural Areas
- Hyperkeratosis with Melanocytes
- Treat Underlying Disorder
Stomach Cancer
- Adenocarcinoma
- Intestinal Type
- Smoked Foods Containing Nitrosamines
- Achlorhydria
- Type A Blood
- Helicobacter pylori
- Diffuse Type
- Signet Ring Cells
- Linitis Plastica (Leather Bottle Stomach)
- Acanthosis Nigricans
- Left Supraclavicular Lymph Node
- Virchow's Node
- Subcutaneous Periumbilical Mets
- Sister Mary Joseph's Nodule
- Bilateral mets to ovaries
- Krukenberg's tumor
Actinic Keratosis
- Sun Exposure
- Papules or Plaques
- Small, Rough
- Erythematous
- Precursor to Squamous Cell Carcinoma
Squamous Cell Carcinoma of the Skin
- 2nd Most Common Skin Cancer
- UV Light Exposure
- Long-term Immunosuppression
- Arsenic Exposure
- Ulcerative Red Lesion
- Precursor Actinic Keratosis
- Commonly Lower Lip
- Biopsy shows Keratin Pearls
- Mohs Micrographic Surgery
Kaposi Sarcoma
- Malignant Vascular Tumor
- Human Herpesvirus Type 8 (HHV-8)
- AIDS/Immunocompromised
- CD4+ < 500
- Multifocal Purple Lesions
- Skin
- Mucous Membranes
- Visceral Organs
- Spindle-shaped Cells
- Observation
- Chemotherapy
- Treat Underlying Disorder
Myasthenia Gravis
- Antibodies to Acetylcholine Receptor
- Ptosis
- Diplopia
- Weakness with Muscle Use
- Respiratory Death
- Thymus Associated
- Acetylcholinesterase Inhibitors
- Plasmapheresis
- Thymectomy
Barrett's Esophagus
- Metaplasia in Lower Esophagus
- Columnar Epithelium
- Gastroesophageal Reflux Disease (GERD)
- Esophagitis
- Esophageal Ulcers
- Increased Risk of Esophageal Adenocarcinoma
Esophageal Adenocarcinoma Characteristics and Presentation
- Most Common Esophageal Cancer in USA
- Lower 1/3 of Esophagus
- Gastroesophageal Reflux Disease (GERD)
- Barrett's Esophagus
- Achalasia
- Obesity
- Smoking
- Weight Loss
- Progressive Dysphagia
- Anemia
Chronic Gastritis
- Type A
- Fundus and Body
- Autoimmune
- Autoantibodies to Parietal Cells
- Pernicious Anemia
- Achlorhydria
- Type B
- Most Common Type
- Helicobacter pylori
- Antrum
- Increased Risk of MALT Lymphoma
- HIV/AIDS
- Crohn's Disease
Complications of Cirrhosis
- Portal Hypertension
- Ascites
- Esophageal Varices
- Coagulation Defects
- Portal-Systemic Encephalopathy
- Hepatorenal Syndrome
Down Syndrome
- Trisomy 21
- Meiotic Nondisjunction
- Intellectual Disability (Mental Retardation)
- Single palmar crease
- Flat Facies
- Duodenal Atresia
- Hirschsprung's Disease
- Septum Primum Type ASD
- Endocardial Cushion Defects
- Prominent Epicanthal Folds
- Increased Risk of Acute Lymphoblastic Leukemia
- Alzheimer's Disease
Melanocytic Nevus
- Benign Tumor of Melanocytes
- Nested Proliferations at Dermal-Epidermal Junction
- Junctional
- Intradermal
- Genetics
- Childhood Sun Exposure
- Melanoma
Types of Malignant Melanoma
- Superficial Spreading
- Most Common Cause of Melanoma
- Nodular
- Aggressive and Rapidly Arising
- Acral-Lentiginous
- Males
- Asians and African Americans
- Lentigo Maligna
- Geographic Shape
- Sun Exposed Areas
Melanoma Mechanism and Characteristics
- Associated with Sunlight Exposure
- Mutation in B-RAF kinase
- Large Number of Moles
- Fair-Skinned People at Higher Risk
- Radial Growth Phase
- No Metastasis
- Vertical Growth Phase
- Depth of Tumor Correlates with Risk of Metastasis
Melanoma Diagnosis
- ABCDE Mnemonic
- Asymmetry
- Border irregularity
- Color variation
- Diameter > 6mm
- Evolution over time
- S-100 Tumor Marker
- LDH (Lactate Dehydrogenase) Screens for Metastasis
- Wide Local Excision
- Adjuvant Therapy
ABCDEs of Melanoma
- Asymmetry
- Border
- Color
- Diameter
- Evolving
Neurofibromatosis Type 1
- Autosomal Dominant
- Chromosome 17
- Neurofibromas
- Optic Glioma
- Lisch Nodules
- Hamartomas
- Cafe Au Lait Spots
- Scoliosis
- Pheochromocytoma
Neurofibromatosis Type 2
- Autosomal-Dominant
- Chromosome 22
- Vestibular Schwannoma
- Meningioma
- Ependymoma
- Cafe Au Lait Spots
- Cataracts
Paget's Disease of Bone
- Men > Age 40
- Increased Osteoblast and Osteoclast activity
- Mosaic Pattern
- Increased Skull Diameter
- Hearing Loss
- Fractures
- Bone Ache and Joint Pain
- High Output Heart Failure
- Bone Scan
- Normal Parathyroid hormone (PTH) and Calcium
- Elevated ALP
- Bisphosphonate
- Calcitonin
Plummer-Vinson Syndrome
- Dysphagia
- Esophageal Webs
- Glossitis
- Iron Deficiency Anemia
- Squamous Cell Cancer of Esophagus
Tuberous Sclerosis
- Autosomal Dominant
- Hamartomas in CNS and Skin
- Phakoma
- Subependymal Giant Cell Astrocytoma
- Seizures
- Intellectual Disability (Mental Retardation)
- Adenoma Sebaceum
- Shagreen Patch
- Ash-leaf Spots
- Renal Angiomyolipoma
- Cardiac Rhabdomyoma
Ulcerative Colitis Characteristics
- Autoimmune
- Mucosal and Submucosal Only
- Rectal Involvement
- Stepwise Lesions
- Friable Pseudopolyp
- Crypt Abscess
- Loss of Haustra
- Lead Pipe Appearance
- Bloody Diarrhea
Ulcerative Colitis Associations
- Toxic Megacolon
- Colorectal Carcinoma
- Anterior Uveitis
- Pyoderma Gangrenosum
- Ankylosing Spondylitis
- Primary Sclerosing Cholangitis
- P-ANCA
Xeroderma Pigmentosum
- Defective Nucleotide Excision Repair
- Pyrimidine Dimer Accumulation
- Autosomal Recessive
- Susceptible to UVA and UVB Rays
- Actinic Keratosis
- Neurodegeneration
- Photosensitivity
- Corneal Ulcers
- Hyperpigmented Lentigines
- Increased Risk of Skin Cancer
Langerhans Cell Histiocytosis
- Antigen Presentation Defect
- Lytic Bone Lesions
- Skull
- Hypopituitarism
- Diabetes Insipidus
- Skin Rash
- Recurrent Otitis Media
- Birbeck Granules
- "Tennis Racket" Appearance
- S100 Positive
- Observation
- Prednisone +/- Vinblastine
Myelodysplastic Syndromes
- Dysfunctional Bone Marrow
- Elderly
- Radiation or Chemotherapy
- Anemia
- Increased Susceptibility to Infection
- Bleeding
- Ringed Sideroblasts
- Howell-Jolly Bodies
- Pseudo-Pelger-Huet Anomaly
- Bilobed Neutrophils
- Supportive Care
- Bone Marrow Transplant
- Acute Myelogenous Leukemia (AML)