Calcium pyrophosphate deposition disease (pseudogout)

Arterial disease

Angina pectoris

Stable angina

Unstable angina

Myocardial infarction

Prinzmetal angina

Coronary steal syndrome

Peripheral artery disease

Subclavian steal syndrome

Aneurysms

Aortic dissection

Vasculitis

Behcet's disease

Kawasaki disease

Hypertension

Hypertensive emergency

Renal artery stenosis

Coarctation of the aorta

Cushing syndrome

Conn syndrome

Pheochromocytoma

Polycystic kidney disease

Hypotension

Orthostatic hypotension

Abetalipoproteinemia

Familial hypercholesterolemia

Hypertriglyceridemia

Hyperlipidemia

Chronic venous insufficiency

Thrombophlebitis

Deep vein thrombosis

Lymphedema

Lymphangioma

Shock

Vascular tumors

Human herpesvirus 8 (Kaposi sarcoma)

Angiosarcomas

Truncus arteriosus

Transposition of the great vessels

Total anomalous pulmonary venous return

Tetralogy of Fallot

Hypoplastic left heart syndrome

Patent ductus arteriosus

Ventricular septal defect

Atrial septal defect

Atrial flutter

Atrial fibrillation

Premature atrial contraction

Atrioventricular nodal reentrant tachycardia (AVNRT)

Wolff-Parkinson-White syndrome

Ventricular tachycardia

Brugada syndrome

Premature ventricular contraction

Long QT syndrome and Torsade de pointes

Ventricular fibrillation

Atrioventricular block

Bundle branch block

Pulseless electrical activity

Tricuspid valve disease

Pulmonary valve disease

Mitral valve disease

Aortic valve disease

Dilated cardiomyopathy

Restrictive cardiomyopathy

Hypertrophic cardiomyopathy

Heart failure

Cor pulmonale

Endocarditis

Myocarditis

Rheumatic heart disease

Pericarditis and pericardial effusion

Cardiac tamponade

Dressler syndrome

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

Supraventricular arrhythmias: Pathology review

Ventricular arrhythmias: Pathology review

Heart blocks: 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

Adrenal cortical carcinoma

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 retinopathy

Diabetic nephropathy

Hyperpituitarism

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

Neuroendocrine tumors of the gastrointestinal system: Pathology review

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

Color blindness

Cortical blindness

Hemianopsia

Homonymous hemianopsia

Bitemporal hemianopsia

Cataract

Glaucoma

Retinal detachment

Age-related macular degeneration

Corneal ulcer

Retinoblastoma

Retinopathy of prematurity

Periorbital cellulitis

Uveitis

Keratitis

Orbital cellulitis

Hordeolum (stye)

Conjunctivitis

Neonatal conjunctivitis

Conductive hearing loss

Eustachian tube dysfunction

Tympanic membrane perforation

Otitis externa

Otitis media

Vertigo

Meniere disease

Labyrinthitis

Acoustic neuroma (schwannoma)

Choanal atresia

Allergic rhinitis

Nasal polyps

Nasopharyngeal carcinoma

Sialadenitis

Parotitis

Ludwig angina

Aphthous ulcers

Temporomandibular joint dysfunction

Oral cancer

Warthin tumor

Sleep apnea

Gastroesophageal reflux disease (GERD)

Zenker diverticulum

Retropharyngeal and peritonsillar abscesses

Esophageal cancer

Laryngomalacia

Laryngitis

Bacterial epiglottitis

Eye conditions: Refractive errors, lens disorders and glaucoma: Pathology review

Eye conditions: Retinal disorders: Pathology review

Eye conditions: Inflammation, infections and trauma: Pathology review

Vertigo: Pathology review

Nasal, oral and pharyngeal diseases: Pathology review

Iron deficiency anemia

Beta-thalassemia

Alpha-thalassemia

Sideroblastic anemia

Anemia of chronic disease

Lead poisoning

Hemolytic disease of the newborn

Glucose-6-phosphate dehydrogenase (G6PD) deficiency

Autoimmune hemolytic anemia

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

Vitiligo

Albinism

Acne vulgaris

Folliculitis

Rosacea

Hidradenitis suppurativa

Contact dermatitis

Atopic dermatitis

Lichen planus

Pityriasis rosea

Psoriasis

Seborrhoeic dermatitis

Urticaria

Actinic keratosis

Epidermolysis bullosa

Bullous pemphigoid

Pemphigus vulgaris

Erythema multiforme

Stevens-Johnson syndrome

Pressure ulcer

Sunburn

Burns

Frostbite

Cellulitis

Erysipelas

Impetigo

Necrotizing fasciitis

Human papillomavirus

Varicella zoster virus

Poxvirus (Smallpox and Molluscum contagiosum)

Coxsackievirus

Herpes simplex virus

Candida

Malassezia (Tinea versicolor and Seborrhoeic dermatitis)

Pediculus humanus and Phthirus pubis (Lice)

Sarcoptes scabiei (Scabies)

Human herpesvirus 6 (Roseola)

Parvovirus B19

Measles virus

Rubella virus

Skin cancer

Alopecia areata

Telogen effluvium

Onychomycosis

Pigmentation skin disorders: Pathology review

Acneiform skin disorders: Pathology review

Papulosquamous and inflammatory skin disorders: Pathology review

Vesiculobullous and desquamating skin disorders: Pathology review

Skin cancer: Pathology review

Sepsis

Neonatal sepsis

Abscesses

Type I hypersensitivity

Food allergy

Anaphylaxis

Asthma

Type II hypersensitivity

Myasthenia gravis

Type III hypersensitivity

Serum sickness

Systemic lupus erythematosus

Poststreptococcal glomerulonephritis

Type IV hypersensitivity

Graft-versus-host disease

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

Radial head subluxation (Nursemaid elbow)

Developmental dysplasia of the hip

Legg-Calve-Perthes disease

Slipped capital femoral epiphysis

Transient synovitis

Osgood-Schlatter disease (traction apophysitis)

Rotator cuff tear

Dislocated shoulder

Winged scapula

Thoracic outlet syndrome

Carpal tunnel syndrome

Ulnar claw

Erb-Duchenne palsy

Klumpke paralysis

Iliotibial band syndrome

Unhappy triad

Anterior cruciate ligament injury

Patellar tendon rupture

Meniscus tear

Patellofemoral pain syndrome

Sprained ankle

Achilles tendon rupture

Spondylolysis

Spondylolisthesis

Degenerative disc disease

Spinal disc herniation

Sciatica

Compartment syndrome

Rhabdomyolysis

Osteogenesis imperfecta

Craniosynostosis

Pectus excavatum

Arthrogryposis

Genu valgum

Genu varum

Pigeon toe

Flat feet

Club foot

Cleidocranial dysplasia

Achondroplasia

Osteomyelitis

Bone tumors

Osteochondroma

Chondrosarcoma

Osteoporosis

Osteomalacia and rickets

Osteopetrosis

Paget disease of bone

Osteosclerosis

Lordosis, kyphosis, and scoliosis

Osteoarthritis

Spondylosis

Spinal stenosis

Rheumatoid arthritis

Juvenile idiopathic arthritis

Gout

Calcium pyrophosphate deposition disease (pseudogout)

Psoriatic arthritis

Ankylosing spondylitis

Reactive arthritis

Spondylitis

Septic arthritis

Bursitis

Baker cyst

Muscular dystrophy

Polymyositis

Dermatomyositis

Inclusion body myopathy

Polymyalgia rheumatica

Fibromyalgia

Rhabdomyosarcoma

Lambert-Eaton myasthenic syndrome

Sjogren syndrome

Mixed connective tissue disease

Raynaud phenomenon

Scleroderma

Back pain: Pathology review

Rheumatoid arthritis and osteoarthritis: Pathology review

Seronegative and septic arthritis: Pathology review

Gout and pseudogout: Pathology review

Systemic lupus erythematosus (SLE): Pathology review

Scleroderma: Pathology review

Sjogren syndrome: Pathology review

Bone disorders: Pathology review

Bone tumors: Pathology review

Myalgias and myositis: Pathology review

Neuromuscular junction disorders: Pathology review

Muscular dystrophies and mitochondrial myopathies: 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

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

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

Demyelinating disorders: Pathology review

Adult brain tumors: Pathology review

Pediatric brain tumors: Pathology review

Neurocutaneous disorders: Pathology review

Horseshoe kidney

Renal agenesis

Horseshoe kidney

Potter sequence

Hyperphosphatemia

Hypophosphatemia

Hypernatremia

Hyponatremia

Hypermagnesemia

Hypomagnesemia

Hyperkalemia

Hypokalemia

Renal tubular acidosis