Tethered spinal cord syndrome

Cushing syndrome

Pheochromocytoma

Polycystic kidney disease

Familial hypercholesterolemia

Hypertriglyceridemia

Chronic venous insufficiency

Thrombophlebitis

Deep vein thrombosis

Lymphedema

Shock

Vascular tumors

Human herpesvirus 8 (Kaposi sarcoma)

Angiosarcomas

Truncus arteriosus

Transposition of the great vessels

Tetralogy of Fallot

Hypoplastic left heart syndrome

Patent ductus arteriosus

Ventricular septal defect

Atrial septal defect

Cardiac tamponade

Cardiac tumors

Acyanotic congenital heart defects: Pathology review

Cyanotic congenital heart defects: Pathology review

Atherosclerosis and arteriosclerosis: Pathology review

Coronary artery disease: Pathology review

Peripheral artery disease: Pathology review

Valvular heart disease: Pathology review

Cardiomyopathies: Pathology review

Heart failure: Pathology review

Aortic dissections and aneurysms: Pathology review

Pericardial disease: Pathology review

Endocarditis: Pathology review

Hypertension: Pathology review

Shock: Pathology review

Vasculitis: Pathology review

Cardiac and vascular tumors: Pathology review

Dyslipidemias: Pathology review

Congenital adrenal hyperplasia

Primary adrenal insufficiency

Waterhouse-Friderichsen syndrome

Hyperaldosteronism

Thyroglossal duct cyst

Hyperthyroidism

Graves disease

Thyroid eye disease (NORD)

Toxic multinodular goiter

Thyroid storm

Hypothyroidism

Euthyroid sick syndrome

Hashimoto thyroiditis

Subacute granulomatous thyroiditis

Riedel thyroiditis

Thyroid cancer

Hyperparathyroidism

Hypoparathyroidism

Hypercalcemia

Hypocalcemia

Diabetes mellitus

Diabetic nephropathy

Pituitary adenoma

Hyperprolactinemia

Prolactinoma

Gigantism

Acromegaly

Hypopituitarism

Pituitary apoplexy

Sheehan syndrome

Hypoprolactinemia

Constitutional growth delay

Diabetes insipidus

Syndrome of inappropriate antidiuretic hormone secretion (SIADH)

Precocious puberty

Delayed puberty

Premature ovarian failure

Polycystic ovary syndrome

Androgen insensitivity syndrome

Kallmann syndrome

5-alpha-reductase deficiency

Autoimmune polyglandular syndrome type 1 (NORD)

Multiple endocrine neoplasia

Pancreatic neuroendocrine neoplasms

Zollinger-Ellison syndrome

Carcinoid syndrome

Neuroblastoma

Opsoclonus myoclonus syndrome (NORD)

Adrenal insufficiency: Pathology review

Adrenal masses: Pathology review

Hyperthyroidism: Pathology review

Hypothyroidism: Pathology review

Thyroid nodules and thyroid cancer: Pathology review

Parathyroid disorders and calcium imbalance: Pathology review

Diabetes mellitus: Pathology review

Cushing syndrome and Cushing disease: Pathology review

Pituitary tumors: Pathology review

Hypopituitarism: Pathology review

Diabetes insipidus and SIADH: Pathology review

Multiple endocrine neoplasia: Pathology review

Peritonitis

Pneumoperitoneum

Cleft lip and palate

Congenital diaphragmatic hernia

Esophageal web

Tracheoesophageal fistula

Pyloric stenosis

Sialadenitis

Oral candidiasis

Aphthous ulcers

Temporomandibular joint dysfunction

Dental abscess

Gingivitis and periodontitis

Dental caries disease

Oral cancer

Warthin tumor

Barrett esophagus

Achalasia

Plummer-Vinson syndrome

Mallory-Weiss syndrome

Boerhaave syndrome

Gastroesophageal reflux disease (GERD)

Diffuse esophageal spasm

Esophageal cancer

Eosinophilic esophagitis (NORD)

Gastritis

Gastric dumping syndrome

Peptic ulcer

Gastroparesis

Cyclic vomiting syndrome

Gastroenteritis

Gastric cancer

Gastroschisis

Imperforate anus

Omphalocele

Meckel diverticulum

Intestinal atresia

Hirschsprung disease

Intestinal malrotation

Necrotizing enterocolitis

Intussusception

Tropical sprue

Small bowel bacterial overgrowth syndrome

Celiac disease

Short bowel syndrome (NORD)

Lactose intolerance

Whipple's disease

Protein losing enteropathy

Microscopic colitis

Crohn disease

Ulcerative colitis

Bowel obstruction

Intestinal adhesions

Volvulus

Gallstone ileus

Abdominal hernias

Femoral hernia

Inguinal hernia

Small bowel ischemia and infarction

Ischemic colitis

Familial adenomatous polyposis

Peutz-Jeghers syndrome

Gardner syndrome

Juvenile polyposis syndrome

Colorectal polyps

Colorectal cancer

Irritable bowel syndrome

Diverticulosis and diverticulitis

Appendicitis

Anal fissure

Anal fistula

Hemorrhoid

Rectal prolapse

Crigler-Najjar syndrome

Biliary atresia

Gilbert's syndrome

Dubin-Johnson syndrome

Rotor syndrome

Jaundice

Cirrhosis

Portal hypertension

Hepatic encephalopathy

Hemochromatosis

Wilson disease

Budd-Chiari syndrome

Non-alcoholic fatty liver disease

Cholestatic liver disease

Hepatocellular adenoma

Autoimmune hepatitis

Alcohol-induced liver disease

Alpha 1-antitrypsin deficiency

Primary biliary cirrhosis

Primary sclerosing cholangitis

Hepatitis

Neonatal hepatitis

Reye syndrome

Benign liver tumors

Hepatocellular carcinoma

Gallstones

Biliary colic

Acute cholecystitis

Ascending cholangitis

Chronic cholecystitis

Gallbladder cancer

Cholangiocarcinoma

Acute pancreatitis

Pancreatic pseudocyst

Chronic pancreatitis

Pancreatic cancer

Congenital gastrointestinal disorders: Pathology review

Esophageal disorders: Pathology review

GERD, peptic ulcers, gastritis, and stomach cancer: Pathology review

Inflammatory bowel disease: Pathology review

Malabsorption syndromes: Pathology review

Diverticular disease: Pathology review

Appendicitis: Pathology review

Gastrointestinal bleeding: Pathology review

Colorectal polyps and cancer: Pathology review

Pancreatitis: Pathology review

Gallbladder disorders: Pathology review

Jaundice: Pathology review

Viral hepatitis: Pathology review

Cirrhosis: Pathology review

Sepsis

Neonatal sepsis

Abscesses

Type I hypersensitivity

Food allergy

Anaphylaxis

Asthma

Type II hypersensitivity

Autoimmune hemolytic anemia

Hemolytic disease of the newborn

Myasthenia gravis

Pemphigus vulgaris

Type III hypersensitivity

Serum sickness

Systemic lupus erythematosus

Poststreptococcal glomerulonephritis

Type IV hypersensitivity

Graft-versus-host disease

Contact dermatitis

Transplant rejection

Cytomegalovirus infection after transplant (NORD)

Post-transplant lymphoproliferative disorders (NORD)

X-linked agammaglobulinemia

Selective immunoglobulin A deficiency

Common variable immunodeficiency

IgG subclass deficiency

Hyperimmunoglobulin E syndrome

Isolated primary immunoglobulin M deficiency

Thymic aplasia

DiGeorge syndrome

Severe combined immunodeficiency

Adenosine deaminase deficiency

Ataxia-telangiectasia

Hyper IgM syndrome

Wiskott-Aldrich syndrome

Leukocyte adhesion deficiency

Chediak-Higashi syndrome

Chronic granulomatous disease

Complement deficiency

Hereditary angioedema

Asplenia

Thymoma

Ruptured spleen

Immunodeficiencies: T-cell and B-cell disorders: Pathology review

Immunodeficiencies: Combined T-cell and B-cell disorders: Pathology review

Immunodeficiencies: Phagocyte and complement dysfunction: Pathology review

Iron deficiency anemia

Beta-thalassemia

Alpha-thalassemia

Sideroblastic anemia

Anemia of chronic disease

Lead poisoning

Glucose-6-phosphate dehydrogenase (G6PD) deficiency

Pyruvate kinase deficiency

Paroxysmal nocturnal hemoglobinuria

Sickle cell disease (NORD)

Hereditary spherocytosis

Aplastic anemia

Fanconi anemia

Megaloblastic anemia

Folate (Vitamin B9) deficiency

Vitamin B12 deficiency

Diamond-Blackfan anemia

Acute intermittent porphyria

Porphyria cutanea tarda

Hemophilia

Vitamin K deficiency

Bernard-Soulier syndrome

Glanzmann's thrombasthenia

Hemolytic-uremic syndrome

Thrombotic thrombocytopenic purpura

Von Willebrand disease

Disseminated intravascular coagulation

Heparin-induced thrombocytopenia

Antithrombin III deficiency

Factor V Leiden

Protein C deficiency

Protein S deficiency

Antiphospholipid syndrome

Hodgkin lymphoma

Non-Hodgkin lymphoma

Chronic leukemia

Acute leukemia

Leukemoid reaction

Myelodysplastic syndromes

Polycythemia vera (NORD)

Myelofibrosis (NORD)

Essential thrombocythemia (NORD)

Langerhans cell histiocytosis

Multiple myeloma

Monoclonal gammopathy of undetermined significance

Waldenstrom macroglobulinemia

Microcytic anemia: Pathology review

Non-hemolytic normocytic anemia: Pathology review

Intrinsic hemolytic normocytic anemia: Pathology review

Extrinsic hemolytic normocytic anemia: Pathology review

Macrocytic anemia: Pathology review

Heme synthesis disorders: Pathology review

Coagulation disorders: Pathology review

Platelet disorders: Pathology review

Mixed platelet and coagulation disorders: Pathology review

Thrombosis syndromes (hypercoagulability): Pathology review

Lymphomas: Pathology review

Leukemias: Pathology review

Plasma cell disorders: Pathology review

Myeloproliferative disorders: Pathology review

Spina bifida

Chiari malformation

Dandy-Walker malformation

Syringomyelia

Tethered spinal cord syndrome

Aqueductal stenosis

Septo-optic dysplasia

Cerebral palsy

Spinocerebellar ataxia (NORD)

Transient ischemic attack

Ischemic stroke

Intracerebral hemorrhage

Epidural hematoma

Subdural hematoma

Subarachnoid hemorrhage

Saccular aneurysm

Arteriovenous malformation

Broca aphasia

Wernicke aphasia

Wernicke-Korsakoff syndrome

Kluver-Bucy syndrome

Concussion and traumatic brain injury

Shaken baby syndrome

Epilepsy

Febrile seizure

Early infantile epileptic encephalopathy (NORD)

Tension headache

Cluster headache

Migraine

Idiopathic intracranial hypertension

Trigeminal neuralgia

Cavernous sinus thrombosis

Alzheimer disease

Vascular dementia

Frontotemporal dementia

Lewy body dementia

Creutzfeldt-Jakob disease

Normal pressure hydrocephalus

Torticollis

Essential tremor

Restless legs syndrome

Parkinson disease

Huntington disease

Multiple sclerosis

Central pontine myelinolysis

Acute disseminated encephalomyelitis

Transverse myelitis

JC virus (Progressive multifocal leukoencephalopathy)

Adult brain tumors

Acoustic neuroma (schwannoma)

Pediatric brain tumors

Brain herniation

Brown-Sequard Syndrome

Cauda equina syndrome

Treponema pallidum (Syphilis)

Friedreich ataxia

Neurogenic bladder

Meningitis

Neonatal meningitis

Encephalitis

Brain abscess

Epidural abscess

Sturge-Weber syndrome

Tuberous sclerosis

Neurofibromatosis

von Hippel-Lindau disease

Amyotrophic lateral sclerosis

Spinal muscular atrophy

Poliovirus

Guillain-Barre syndrome

Charcot-Marie-Tooth disease

Bell palsy

Winged scapula

Thoracic outlet syndrome

Carpal tunnel syndrome

Ulnar claw

Erb-Duchenne palsy

Klumpke paralysis

Sciatica

Lambert-Eaton myasthenic syndrome

Horner syndrome

Congenital neurological disorders: Pathology review

Headaches: Pathology review

Seizures: Pathology review

Cerebral vascular disease: Pathology review

Traumatic brain injury: Pathology review

Spinal cord disorders: Pathology review

Dementia: Pathology review

Central nervous system infections: Pathology review

Movement disorders: Pathology review

Neuromuscular junction disorders: Pathology review

Demyelinating disorders: Pathology review

Adult brain tumors: Pathology review

Pediatric brain tumors: Pathology review

Neurocutaneous disorders: Pathology review

Renal agenesis

Horseshoe kidney

Potter sequence

Hyperphosphatemia

Hypophosphatemia

Hypernatremia

Hyponatremia

Hypermagnesemia

Hypomagnesemia

Hyperkalemia

Hypokalemia

Renal tubular acidosis

Minimal change disease

Focal segmental glomerulosclerosis (NORD)

Amyloidosis

Membranous nephropathy

Lupus nephritis

Rapidly progressive glomerulonephritis

IgA nephropathy (NORD)

Alport syndrome

Kidney stones

Hydronephrosis

Acute pyelonephritis

Chronic pyelonephritis

Prerenal azotemia

Renal azotemia

Postrenal azotemia

Renal cortical necrosis

Chronic kidney disease

Multicystic dysplastic kidney

Medullary cystic kidney disease

Medullary sponge kidney

Renal cell carcinoma

Angiomyolipoma

Nephroblastoma (Wilms tumor)

WAGR syndrome

Posterior urethral valves

Hypospadias and epispadias

Vesicoureteral reflux

Bladder exstrophy

Urinary incontinence

Lower urinary tract infection

Transitional cell carcinoma

Non-urothelial bladder cancers

Congenital renal disorders: Pathology review

Renal tubular defects: Pathology review

Renal tubular acidosis: Pathology review

Acid-base disturbances: Pathology review

Electrolyte disturbances: Pathology review

Renal failure: Pathology review

Nephrotic syndromes: Pathology review

Nephritic syndromes: Pathology review

Urinary incontinence: Pathology review

Urinary tract infections: Pathology review

Kidney stones: Pathology review

Renal and urinary tract masses: Pathology review

Congenital pulmonary airway malformation

Sudden infant death syndrome

Methemoglobinemia

Sarcoidosis

Lung cancer

Pancoast tumor

Superior vena cava syndrome

Mesothelioma

Respiratory distress syndrome: Pathology review

Cystic fibrosis: Pathology review

Pneumonia: Pathology review

Tuberculosis: Pathology review

Deep vein thrombosis and pulmonary embolism: Pathology review

Pleural effusion, pneumothorax, hemothorax and atelectasis: Pathology review

Obstructive lung diseases: Pathology review

Restrictive lung diseases: Pathology review

Apnea, hypoventilation and pulmonary hypertension: Pathology review

Lung cancer and mesothelioma: Pathology review

Klinefelter syndrome

Turner syndrome

Benign prostatic hyperplasia

Prostate cancer

Testicular cancer

Erectile dysfunction

Amenorrhea

Ovarian cyst

Sex cord-gonadal stromal tumor

Surface epithelial-stromal tumor

Germ cell ovarian tumor

Uterine fibroid

Endometriosis

Endometritis

Endometrial hyperplasia

Endometrial cancer

Cervical cancer

Pelvic inflammatory disease

Breast cancer

Preeclampsia & eclampsia

Placenta previa

Placental abruption

Postpartum hemorrhage

Congenital cytomegalovirus (NORD)

Miscarriage

Ectopic pregnancy

Fetal alcohol syndrome

Disorders of sex chromosomes: Pathology review

Prostate disorders and cancer: Pathology review

Testicular tumors: Pathology review

Uterine disorders: Pathology review

Ovarian cysts and tumors: Pathology review

Cervical cancer: Pathology review

Vaginal and vulvar disorders: Pathology review

Benign breast conditions: Pathology review

Breast cancer: Pathology review

Complications during pregnancy: Pathology review

Congenital TORCH infections: Pathology review

Disorders of sexual development and sex hormones: Pathology review

Developmental dysplasia of the hip

Legg-Calve-Perthes disease

Slipped capital femoral epiphysis

Osgood-Schlatter disease (traction apophysitis)