Cardiovascular Disorders

• Renovascular Hypertension (Digital Subtraction Angiography)
• Renovascular Hypertension (Magnetic Resonance Angiography)
• SPECT in Recent-Onset Angina

Critical Care Medicine

• Acute Respiratory Distress Syndrome
• Pulmonary Edema

Dental Disorders

• Candidal Stomatitis
• Caries (on Examination)
• Caries (on X-ray)
• Gingival Recession
• Gingivitis

Dermatologic Disorders

• Acanthosis Nigricans
• Acne (Papules and Pustules)
• Actinic Keratosis
• Albinism (Cutaneous)
• Albinism (Ocular)
• Angioma (Spider)
• Atopic Dermatitis (Acute)
• Atopic Dermatitis (Chronic)
• Basal Cell Carcinoma
• Bullous Pemphigoid
• Candidiasis (Chronic Mucocutaneous)
• Candidiasis (Diaper Rash)
• Candidiasis (Nail Infection)
• Candidiasis (Oropharyngeal)
• Cellulitis
• Contact Dermatitis (Allergic)
• Dermatitis Herpetiformis
• Dermatomyositis
• Dermatophytid Reaction
• Ecthyma (Contagious)
• Eruptive Xanthoma
• Erysipelas
• Erythema Nodosum
• Erythrasma
• Folliculitis
• Furuncle
• Hidradenitis Suppurativa
• Impetigo (Bullous)
• Impetigo (Nonbullous)
• Intertrigo
• Kaposi's Sarcoma (AIDS-Associated)
• Kaposi's Sarcoma (Classic)
• Keloid
• Keratoacanthoma
• Keratosis Pilaris
• Lice (Head, Lashes)
• Lice (Head, Nits)
• Lice (Pubic)
• Lichen Planus (Oral)
• Lichen Planus (Skin)
• Lichen Sclerosus
• Lichen Simplex Chronicus
• Melanoma (Superficial Spreading)
• Milker's Nodule
• Mole
• Molluscum Contagiosum
• Necrobiosis Lipoidica
• Onychogryphosis
• Onychomycosis
• Paget's Disease (Nipple)
• Parapsoriasis
• Pemphigus Vulgaris (Flaccid Bullae)
• Pemphigus Vulgaris (Oral)
• Pemphigus Vulgaris (Shearing and Erosions)
• Photoaging
• Pityriasis Rosea
• Pityriasis Rubra Pilaris (Hyperkeratotic Palms)
• Pityriasis Rubra Pilaris (Scaling Plaques)
• Port-Wine Stain
• Pseudofolliculitis Barbae
• Psoriasis (Pustular)
• Pyogenic Granuloma
• Rosacea
• Scabies
• Scleroderma
• Seborrheic Dermatitis
• Seborrheic Keratosis
• Skin Lesion (Annular)
• Skin Lesion (Bullae)
• Skin Lesion (Herpetiform)
• Skin Lesion (Lichenification)
• Skin Lesion (Macule)
• Skin Lesion (Nummular)
• Skin Lesion (Papule)
• Skin Lesion (Plaque)
• Skin Lesion (Pustule)
• Skin Lesion (Scales)
• Skin Lesion (Target)
• Skin Lesion (Urticaria)
• Skin Lesion (Verrucous)
• Skin Lesion (Vesicle)
• Squamous Cell Carcinoma
• Staphylococcal Scalded Skin Syndrome
• Stasis Dermatitis (Chronic Changes)
• Stasis Dermatitis (Ulcer)
• Telangiectasia
• Tinea Barbae
• Tinea Capitis (Kerion)
• Tinea Corporis
• Tinea Cruris
• Tinea Pedis
• Tinea Pedis (Moccasin Distribution)
• Tinea Versicolor
• Tzanck Test
• Vitiligo
• Warts (Palmar and Plantar)
• Yellow Nail Syndrome

Ear, Nose, and Throat Disorders

• Acute Otitis Media
• Cholesteatoma
• Erythroplakia and Squamous Cell Carcinoma
• Leukoplakia and Squamous Cell Carcinoma
• Nasal Polyp
• Otitis Externa With Furuncle
• Perichondritis With Abscess Formation
• Traumatic Perforation of Tympanic Membrane
• Vocal Cord Nodules

Endocrine and Metabolic Disorders

• Acromegaly
• Acromegaly (Facial Changes)
• Cushing's Syndrome
• Diabetic Retinopathy—Proliferative
• Erythropoietic Protoporphyria
• Infiltrative Ophthalmopathy
• Myxedema in Hypothyroidism
• Porphyria Cutanea Tarda
• Pretibial Myxedema in a Patient With Graves' Disease

Eye Disorders

• Acute Dacryocystitis
• Age-Related Macular Degeneration (Atrophic)
• Age-Related Macular Degeneration (Drusen)
• Age-Related Macular Degeneration (Exudative)
• Anisocoria
• Basal Cell Carcinoma of the Eyelid
• Behcet's Syndrome (Erythema Nodosum)
• Behcet's Syndrome (Genital Aphthae)
• Behcet's Syndrome (Hypopyon)
• Behcet's Syndrome (Oral Aphthae)
• Blepharitis (Acute Ulcerative)
• Blepharitis (Chronic)
• Bullous Keratopathy
• Cataract
• Central Retinal Artery Occlusion
• Central Retinal Vein Occlusion
• Chalazion
• Chronic Dacryocystits
• Cicatricial Pemphigoid
• Conjunctivitis (Gonococcal)
• Conjunctivitis (Vernal)
• Conjunctivitis (Viral)
• Corneal Ulcer
• Corneal Ulcer (Fungal)
• Diabetic Retinopathy (Nonproliferative)
• Diabetic Retinopathy (Proliferative)
• Ectropion
• Endophthalmitis (Bacterial)
• Endophthalmitis (Candidal)
• Entropion
• Episcleritis
• Glaucoma (Normal Eye)
• Glaucoma (Optic Disk Hemorrhage)
• Glaucoma (Optic Nerve Changes)
• Herpes Simplex (Dendritic Keratitis)
• Herpes Simplex (Diskiform Keratitis)
• Herpes Zoster Ophthalmicus
• Hordeolum
• Hypertensive Retinopathy (Copper Wiring)
• Hypertensive Retinopathy—Malignant (Star-Shaped Exudates and Papilledema)
• Hypertensive Retinopathy—Moderate (Vessel Changes and Cotton-Wool Spots)
• Keratitis (Interstitial)
• Keratitis (Peripheral Ulcerative)
• Keratoconus
• Keratomalacia (Bitot's Spots)
• Lymphoid Hyperplasia (with Conjunctivitis)
• Ophthalmia Neonatorum
• Papilledema
• Preseptal Cellulitis
• Proptosis
• Punctum Plug
• Retinitis (Cytomegalovirus)
• Retinitis (Herpes)
• Retinitis (Toxoplasmosis)
• Retinitis Pigmentosa
• Sarcoidosis (Conjunctival Granuloma)
• Sarcoidosis (Iris Granuloma)
• Scleritis (Necrotizing)
• Scleritis (Nodular)
• Stage 2 Trachoma
• Stage 3 Trachoma (Cicatrization)
• Stage 3 Trachoma (Pannus Formation)
• Stage 4 Trachoma
• Subconjunctival Hemorrhage
• Trichiasis
• Uveitis (Anterior)
• Uveitis (Intermediate)
• Xanthelasma

Gastrointestinal Disorders

• "Watermelon" Stomach
• Achalasia
• Acute Gastritis
• Adenocarcinoma of the Esophagus
• Angiodysplasia
• Barrett's Esophagus
• Barrett's Esophagus
• Bleeding Esophageal Varix
• Candida Esophagitis
• Chronic Gastritis
• Crohn's Ileitis
• Dieulafoy's Lesion
• Diverticulitis
• Diverticulosis
• Esophageal Diverticula
• Esophageal Ring
• Esophageal Stricture
• Esophageal Varices
• Esophageal Web
• Free Air
• Gastric Ulcer
• Gastric Ulcer Perforation
• Herpes Simplex Esophagitis
• Hiatus Hernia
• Ischemic Colitis
• Mallory-Weiss Tear
• Pedunculated Polyp
• Phytobezoar
• Pseudopolyps
• Reflux Esophagitis
• Sessile Polyp
• Small-Bowel Obstruction (Supine)
• Small-Bowel Obstruction (Upright)
• Squamous Cell Carcinoma of the Esophagus
• Stomach Cancer
• Traction Diverticulum
• Tubulovillous Adenoma
• Volvulus
• Zenker's Diverticulum

Genitourinary Disorders

• Acute Tubular Necrosis
• Acute Tubulointerstitial Nephritis
• Benign Hypertensive Arteriolar Nephrosclerosis
• Ca Oxalate Crystals
• Chronic Urate Nephropathy
• Collapsing Glomerulopathy
• Cystine Crystals
• Diabetic Nephropathy (Hyalinosis)
• Diabetic Nephropathy (Mesangial Cell Proliferation and Matrix Expansion)
• Diabetic Nephropathy (Nodules)
• Epithelial Cell Cast
• Fat (Lipid) Droplets
• Fat Droplets-Maltese cross pattern
• Fibrillary Glomerulopathy (Fibrils)
• Fibrillary Glomerulopathy (IgG Deposition)
• Fibrillary Glomerulopathy (Mesangial Proliferation)
• Focal Segmental Glomerulosclerosis
• Focal Segmental Glomerulosclerosis (Blunting and Effacement of Foot Processes)
• Focal Segmental Glomerulosclerosis (Global Sclerosis)
• Focal Segmental Glomerulosclerosis (IgM in Mesangium)
• Focal Segmental Glomerulosclerosis (Tip Lesion)
• Granular Casts
• Hereditary Nephritis
• HIV-Associated Nephropathy (Collapsing Glomerulopathy)
• HIV-Associated Nephropathy (Reticular Inclusions)
• Hyaline Cast
• Hyperoxaluria
• IgA Nephropathy (Mesangial Expansion)
• IgA Nephropathy (Mesangial IgA Deposition)
• Immunotactoid Glomerulopathy
• Indinavir Crystals
• Lupus Nephritis—Diffuse Proliferative (Class IV)
• Lupus Nephritis—Focal Proliferative (Class III)
• Lupus Nephritis—Membranous (Class V)
• Lupus Nephritis—Mesangial Proliferative (Class II)
• Membranoproliferative Glomerulonephritis, Type I
• Membranoproliferative Glomerulonephritis, Type II
• Membranous Nephropathy (Basement Membrane Spikes)
• Membranous Nephropathy (Dense Deposits)
• Membranous Nephropathy (IgG Deposition)
• Mg Ammonium Phosphate (Struvite) Crystals
• Minimal Change Disease
• Myeloma Kidney
• Postinfectious Glomerulonephritis (Epithelial Crescents)
• Postinfectious Glomerulonephritis (Hypercellularity With Neutrophilic Infiltration)
• Postinfectious Glomerulonephritis (Immune Complex Deposits)
• Postinfectious Glomerulonephritis (Immunofluorescent Staining)
• Rapidly Progressive Glomerulonephritis (Type 1)
• Rapidly Progressive Glomerulonephritis (Type 3)
• RBC Cast
• Renal Artery Stenosis (Digital Subtraction Angiography)
• Renal Artery Stenosis (Magnetic Resonance Angiography)
• Renal Atheroembolism
• Renal Cortical Necrosis
• Sulfa Crystals
• Thin Basement Membrane Lesion
• Waxy and Granular Casts
• WBC Cast

Gynecology and Obstetrics

• Bartholin's Cyst
• Clue Cells
• Hyphae and Spores in Candidal Vaginitis
• Mucopurulent Cervicitis
• Speculum Examination in Bacterial Vaginosis
• Speculum Examination in Vaginitis
• Trichomonads on Wet Mount
• Ultrasonography showing enlarged nuchal translucency in a fetus at 10 wk.
• Ultrasound of a Benign Ovarian Mass
• Ultrasound of a Malignant Ovarian Mass
• Vaginal Inclusion Cyst
• Vaginal Secretions for Wet Mount Specimen
• Vulvar Epidermal Inclusion Cysts
• Wet Mount

Hematology and Oncology

• Acute Lymphocytic Leukemia FAB Class L1
• Acute Lymphocytic Leukemia FAB Class L2
• Acute Lymphocytic Leukemia FAB Class L3
• Acute Myeloid Leukemia Without Maturation
• Acute Promyelocytic Leukemia
• Blasts With Monocytic Differentiation
• Cryoglobulinemia
• Ecchymoses in Immune-Mediated Thrombocytopenic Purpura
• Eosinophilic Granuloma of the Skull
• Hereditary Hemorrhagic Telangiectasia
• HIV-Related Burkitt's Lymphoma
• Iron Deficiency Anemia
• Macrocytosis in Liver Disease
• Mycosis Fungoides
• Oval Macrocytes and Hypersegmented Neutrophils in Vitamin B12 Deficiency
• Peripheral Blood Blast Cell
• Peripheral Blood Smear, Normal
• Peripheral Blood Smear in Blast-Phase Chronic Myelocytic Leukemia
• Peripheral Blood Smear in Chronic-Phase Chronic Myelocytic Leukemia
• Petechiae in Immune-Mediated Thrombocytopenic Purpura
• RBC Clumping in Cold Agglutinin Disease
• Reed-Sternberg Cell
• Ring Sideroblasts in Sideroblastic Anemia
• Schistocytes
• Sickle Cells
• Spherocytes in Hemolytic Anemia
• Target Cells

Immunology; Allergic Disorders

• Angioedema
• Urticaria Pigmentosa

Infectious Diseases

• Actinomycetoma
• Angiostrongylus life cycle.
• Anisakis life cycle.
• Anthrax (Cutaneous)
• Anthrax (Inhalational)
• Ascaris life cycle.
• Aspergilloma
• Bacillus anthracis
• Blastomycosis—Extrapulmonary (Bullae)
• Blastomycosis—Extrapulmonary (Verrucous Appearance)
• Blastomycosis—Pulmonary
• Body Louse (Pediculus humanus var. coporus)
• Candida albicans
• Candidiasis (Esophageal)
• Candidiasis (Oral)
• Cervicofacial Actinomycosis
• Chancroid
• Chromoblastomycosis (Chronic)
• Chromoblastomycosis (Early)
• Clonorchis life cycle.
• Coccidioidomycosis
• Coccidioidomycosis—Disseminated (Multiple Lesions)
• Coccidioidomycosis—Disseminated (Single Lesion)
• Cryptococcosis (Central Nervous System)
• Cryptococcosis (Disseminated)
• Cryptococcosis (Pulmonary)
• Diphtheria (Nasopharyngeal Membrane)
• Diphtheria (Nasopharyngeal With Bull Neck)
• Diphtheria—Cutaneous
• Diphtheria—Cutaneous (Central Ulceration)
• Disseminated Gonococcal Infection (Skin Lesions)
• Dracunculiasis life cycle.
• Echinococcus life cycle.
• Eczema Vaccinatum
• Enterobius life cycle.
• Erysipelas
• Erysipeloid
• Erythema Migrans
• Fasciola hepatica life cycle.
• Fasciolopsis buski life cycle.
• Fournier's Gangrene
• Furuncle
• Genital Warts (Female)
• Genital Warts (Male)
• Gonococcal Pharyngitis
• Granuloma Inguinale (Female)
• Granuloma Inguinale (Male)
• Granuloma Inguinale (Perianal)
• Heterophyes heterophyes life cycle.
• Histoplasmosis
• Hookworm life cycle.
• Impetigo
• Ixodes scapularis
• Leishmania life cycle.
• Loa loa life cycle.
• Meningococcemia
• Monkeypox
• Neonatal Tetanus
• Onchocerca volvulus life cycle.
• Opisthorchis life cycle
• Ornithodoros turicata
• Paracoccidioidomycosis (Mucocutaneous Ulcers)
• Paracoccidioidomycosis (Neck)
• Paragonimus westermani life cycle.
• Plague Bubo (Axillary)
• Plague Bubo (Femoral)
• Plague Bubo (Inguinal)
• Pneumonic Plague
• Reactive Arthritis (Balanitis)
• Reactive Arthritis (Conjunctivitis)
• Reactive Arthritis (Keratoderma Blennorrhagicum)
• Rhinocerebral Mucormycosis
• Rocky Mountain Spotted Fever
• Rubella
• Rubella (Rash Distribution)
• Rubeola (Confluent Diffuse Macular Rash)
• Rubeola (Diffuse Macular Rash)
• Rubeola (Koplik's Spots)
• Salmonella (Skin Lesion)
• Scarlet Fever
• Scrub Typhus
• Smallpox
• Sporotrichosis (Abscess)
• Sporotrichosis (Nodules)
• Sporotrichosis (Papule)
• Staphylococcal Scalded Skin Syndrome
• Staphylococcal Toxic Shock Syndrome
• Streptococcal Pharyngitis
• Strongyloides life cycle.
• Syphilis—Primary (Anal Chancre)
• Syphilis—Primary (Digital Chancre)
• Syphilis—Primary (Genital Chancre)
• Syphilis—Primary (Mouth Chancre)
• Syphilis—Secondary (Back)
• Syphilis—Secondary (Body)
• Syphilis—Secondary (Hands)
• Syphilis—Secondary (Soles)
• Toxocara canis life cycle.
• Trichinella spiralis life cycle.
• Trichuris trichiura life cycle.
• Trypanosoma brucei gambiense life cycle.
• Trypanosoma life cycle.
• Tularemia
• Typhoid Fever (Rose Spots)
• Vaccinia—Generalized
• Vaccinia—Progressive (Deep Tissue Involvement)
• Vaccinia—Progressive (Skin Involvement)
• Yaws—Primary
• Yaws—Secondary
• Yaws—Tertiary

Injuries; Poisoning

• Anterior Glenohumeral (Shoulder) Dislocation
• Full-thickness (3rd-degree) burn
• Partial-thickness (2nd-degree) burn

Musculoskeletal and Connective Tissue Disorders

• Boutonnière Deformity
• Diffuse idiopathic skeletal hyperostosis (DISH)
• Elbow Contracture in Systemic Sclerosis
• Gout Crystals
• Gout in 1st Metatarsophalangeal Joint
• Heberden's Nodes
• Osteoarthritis (OA) of the hip
• Prepatellar Bursitis
• Rheumatoid Nodules
• Systemic Sclerosis of the Chest and Shoulders
• Systemic Sclerosis of the Hand
• Tophi
• Ulnar Deviation
• X-ray Features of Early Rheumatoid Arthritis
• X-ray of the Knee in Osteoarthritis
• X-ray of the Pelvis in Paget's Disease
• X-ray of the Skull in Paget's Disease
• “Bamboo Spine” in Ankylosing Spondylitis

Neurologic Disorders

• Anaplastic Astrocytoma
• Brain Abscess (CT With Contrast)
• Brain Abscess (CT Without Contrast)
• Brain Metastases
• Degenerative Changes of the Cervical Spine
• Glioblastoma Multiforme
• Insular Ribbon Loss
• Lacunar Infarct
• Low-Density Periventricular Changes in Deep White Matter
• Medulloblastoma
• Meningioma, Parasagittal
• Middle Cerebral Artery Infarct
• Neurocysticercosis
• Oligodendroglioma, Low-Grade
• Pituitary microadenoma
• Saccular Aneurysm
• Seventh Cranial Nerve Palsy, Peripheral
• Subarachnoid Hemorrhage
• Thalamic Intracerebral Hemorrhage

Pediatrics

• Congenital Cytomegalovirus Infection
• Congenital Toxoplasmosis
• Cystic Fibrosis (Chest X-ray)
• Cystic Fibrosis (CT Scan)
• Double Bubble Effect
• Down Syndrome
• Hirschsprung's Disease
• Leukocoria in Infant With Retinoblastoma
• Marfan Syndrome
• Neonatal Herpes Simplex Infection
• Neurofibromatosis (Café-au-Lait Spots)
• Neurofibromatosis (Lisch Nodules)
• Neurofibromatosis (Neurofibromas)
• Neurofibromatosis (Skeletal Anomalies)
• Radiologic Features of Necrotizing Enterocolitis
• Slipped Capital Femoral Epiphysis
• Strawberry Tongue in Kawasaki Disease
• Tuberous Sclerosis
• Turner's Syndrome
• X-rays of a child with croup
• X-rays of a child with croup

Pulmonary Disorders

• Allergic Bronchopulmonary Aspergillosis
• Allergic Bronchopulmonary Aspergillosis (Bronchiectasis)
• Alveolar Hemorrhage
• Alveolar Hemorrhage (Goodpasture's Syndrome)
• Asbestos Body
• Asbestosis
• Asbestos-Related Plaques
• Asbestos-Related Plaques (Extensive)
• Bronchiectasis
• Bronchiolitis Obliterans Organizing Pneumonia
• Chronic Obstructive Pulmonary Disease (Chest X-ray)
• Idiopathic Pulmonary Fibrosis
• Interstitial Opacities
• Langerhans' Cell Granulomatosis
• Left Lower Lobe Infiltrate
• Lung Abscess
• Malignant Mesothelioma
• Multilobar Pneumonia
• Pleural Effusion—Large
• Pleural Effusions—Small
• Pneumocystis Pneumonia
• Pneumomediastinum
• Pneumothorax
• Primary Lung Cancer
• Pulmonary Alveolar Proteinosis (Chest X-ray)
• Pulmonary Alveolar Proteinosis (CT Scan)
• Pulmonary Embolism (Helical CT Scan)
• Pulmonary Embolism (Lung Perfusion Scan)
• Pulmonary Embolism (Ventilation Scan)
• Pulmonary Pseudotumor
• Sarcoidosis—Stage I
• Sarcoidosis—Stage II
• Sarcoidosis—Stage III
• Sarcoidosis—Stage IV
• Silicosis—Conglomerate
• Silicosis—Eggshell Calcifications
• Silicosis—Simple
• Silicosis—Simple (Upper Lung Field)
• Silicotic Nodule

Special Subjects

• Color Doppler Ultrasonography of Wrist Tendons
• CT of the Wrist (3-Dimensional Reconstruction)
• CT Pulmonary Angiography
• MRI of the Brain
• MRI of the Knee
• PET-CT