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  • Abdominal Pain
  • Acoustic Neuroma
  • Acromegaly
  • Acute Intermittent Porphyria
  • Acute Renal Failure
  • Acute Stress Disorder
  • Addison's Disease
  • Adrenal Disease
  • Adult ADHD (ADD)
  • Agoraphobia
  • Akathisia
  • Aldehyde Dehydrogenase Deficiency
  • Alopecia Areata
  • Alopecia Secondary To Childbirth
  • Alport Syndrome
  • Alzheimer's
  • Amnestic Disorder
  • Amyloidosis
  • Amyotrophic Lateral Sclerosis (ALS)
  • Anemia
  • Angina Pectoris
  • Angina Unstable
  • Ankylosing Spondylitis
  • Anorexia Nervosa
  • Anorgasmia
  • Antisocial Personality Disorder
  • Anxiety Disorder
  • Aortic Aneurysm
  • Appendicitis
  • Arsenic Toxicity
  • Arthritis
  • Arthritis-Cervical
  • Arthritis-Osteoarthritis
  • Arthritis-Rheumatoid
  • Asperger's Syndrome
  • Asthma
  • Atypical Depression
  • Auriculotemporal Nerve Syndrome
  • Avoidant Personality Disorder
  • B12 Deficiency
  • Balance
  • Balance-Central Vertigo
  • Balance-Cerebellar
  • Balance-Medication-induced Vertigo
  • Balance-Peripheral Vertigo
  • Balance-Toxin-induced Vertigo
  • Bereavement
  • Bile Duct Obstruction
  • Binge Eating Disorder
  • Bipolar
  • Bipolar-Irritability
  • Bipolar-Kleptomania
  • Bladder Disorder
  • Bladder-Incomplete Bladder Emptying
  • Bladder-Incontinence-Unaware
  • Bladder-Incontinence-Urge Incontinence
  • Bladder-Urinary Urgency
  • Bleeding Disorder
  • Blood In The Urine
  • Blood-Hematemesis
  • Blood-Hematochezia
  • Blood-Hemoptysis
  • Blood-Melena
  • Blood-Polycythemia
  • Blood-Sickle Cell Anemia
  • Body Dysmorphic Disorder
  • Body Fluid Change
  • Borderline Personality Disorder
  • Bowel-Constipation
  • Bowel-Diverticulitis
  • Bowel-Diverticulosis
  • Bowel-Essential Palatal Tremor
  • Bowel-Gastritis
  • Bowel-Gastroenteritis
  • Bowel-Hiatal Hernia
  • Bowel-Obstruction
  • Bowel-Pain-Abdomen-Acute
  • Bowel-Pain-Abdominal-infarction
  • Bowel-Pain-Abdominal-visceral
  • Bowel-Pain-Abdominal-Viscus-perforation Of Viscus
  • Bowel-Pain-localized To Other Parts Of Lower Abdomen
  • Bowel-Pain-localized To Upper Abdomen
  • Bowel-Peritonitis
  • Bowel-Ulcer
  • Bowel-Ulcer - Duodenal
  • Bronchiectasis
  • Bronchitis
  • Cancer
  • Cancer-Bladder
  • Cancer-Breast
  • Cancer-Cervical
  • Cancer-Colon
  • Cancer-Esophageal
  • Cancer-Gastrointestinal
  • Cancer-Kidney
  • Cancer-Leukemia
  • Cancer-Leukoplakia
  • Cancer-Lung
  • Cancer-Lymphoma
  • Cancer-Malignant Neoplasm: Mouth, Unspecified
  • Cancer-Medullary Thyroid Carcinoma
  • Cancer-Melanoma
  • Cancer-Mouth
  • Cancer-Multiple Myeloma
  • Cancer-Ovarian
  • Cancer-Pancreatic
  • Cancer-Pituitary
  • Cancer-Prostate
  • Cancer-Renal Cell Carcinoma
  • Cancer-Skin
  • Cancer-Stomach
  • Carbon Monoxide Poisoning
  • Carcinoid
  • Cataract
  • Celiac Disease
  • Cervical Spondylosis
  • Charcot-Marie-Tooth Disease
  • Charles Bonnet Syndrome
  • Chlamydia Infection
  • Choledocholithiasis
  • Cholesteatoma
  • Chronic Abdominal Pain
  • Chronic Fatigue Syndrome
  • Chronic Kidney Failure (CKD)
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Chronic Pain
  • Cluster Headache
  • Collagen Vascular Disease
  • Conduct Disorder
  • Congestion-Drug-induced
  • Congestive Heart Failure (CHF)
  • Conversion Disorder
  • Cranial Nerve Palsy
  • Creutzfeldt-Jakob
  • Crohn's Disease Or Regional Enteritis
  • Cushing's Disease
  • Cystic Fibrosis
  • Cystitis
  • Cystitis, Unspecified
  • Deep Vein Thrombosis
  • Dehydration
  • Delirium
  • Delirium-Traumatic Brain Injury
  • Delusional Disorder
  • Delusional Erotomania
  • Delusional Jealousy
  • Dementia
  • Dental-Poor Fitting Dentures
  • Dental-Poor Hygiene
  • Dependent Personality
  • Depersonalization Disorder
  • Depression
  • Dermatopolymyositis
  • Diabetes Insipidus
  • Diabetes Mellitus
  • Diarrhea
  • Disease Of Anus And Rectum, Unspecified
  • Disease Of Biliary Tract, Unspecified
  • Disease Of Intestine, Unspecified-Colon Proximal
  • Disease Of Intestine, Unspecified-Small Intestine
  • Disease Of Stomach And Duodenum, Unspecified
  • Disorder Of Brain, Unspecified-Brainstem Or Pons
  • Disorder Of Brain, Unspecified-Hemisphere
  • Disruptive Behavior Disorder
  • Dissociative Disorder
  • Dissociative Identity Disorder
  • Dyspareunia
  • Dysthymia
  • Eating Disorder
  • Eating Disorder, Medication-induced
  • Eating-Bulimia
  • Eating-Laxative/Diuretic Abuse
  • Eating-Obesity
  • Eating-Reactive Hyperphagia
  • Edema
  • Edema-Drug Induced
  • Electrolytes-Magnesium-hypo
  • Electrolytes-Potassium Deficiency
  • EMPTY
  • EMPTY
  • EMPTY
  • EMPTY
  • Endocrine-Hyperparathyroidism - Primary Type
  • Endocrine-Hyperparathyroidism - Tertiary Type
  • Endocrine-Pituitary Adenoma
  • Enuresis/Bedwetting
  • Erectile Dysfunction
  • Erosive Esophagitis
  • Erythema-Drug Induced
  • Essential Tremor
  • Estrogen Related Hair Growth
  • Exhibitionism
  • Factitious Disorder
  • Fainting
  • Fatigue
  • Female Pattern Baldness
  • Fetishism
  • Fibromyalgia
  • Fluid-Polydipsia Psychogenic
  • Flushing
  • Flushing-Drug Induced
  • Flushing-Gustatory Flushing Syndrome
  • Flushing-Harlequin Syndrome
  • Flushing-Mastocytosis
  • Flushing-VIPoma
  • Folic Acid Deficiency
  • Food Allergy
  • Friedreich\'s Ataxia
  • Frotteurism
  • Gallbladder Disease
  • Gastroesophageal Reflux Disease (GERD)
  • Gender Identity Disorder
  • Generalized Anxiety Disorder
  • Glaucoma
  • Glomus Tumors
  • Gout
  • Hair-Alopecia Universalis
  • Hair-Telogen Effluvim
  • Hair-Tinea Capitis
  • Hallucinations
  • Head Trauma
  • Head-Trauma To Scalp
  • Headache
  • Headache-Chronic Daily Headache
  • Headache-coital Cephalgia
  • Headache-Coital Cephalgia -dull Type
  • Headache-Coital Cephalgia -explosive Type
  • Headache-Coital Cephalgia -postural Type
  • Headache-Hemicrania Continua
  • Headache-Medication Overuse
  • Headache-Migraine Probable
  • Headache-Migraine Status
  • Headache-Migraine With Aura
  • Headache-Migraine Without Aura
  • Headache-Migraine-Retinal
  • Headache-Psychogenic
  • Hearing Problem
  • Hearing-Tinnitus
  • Hearing-Traumatic Tinnitus
  • Heart Disease
  • Heart-Arrhythmia
  • Heart-Bacterial Endocarditis
  • Heart-claudication-Neurogenic
  • Heart-HCM
  • Heart-MI
  • Heart-Mitral Stenosis
  • Heavy Tobacco Smoker
  • Hemochromatosis
  • Histrionic Personality
  • HIV Infection
  • Homicide
  • Huntington's Disease
  • Hyperaldosteronism
  • Hypercalcemia
  • Hyperhidrosis-Idiopathic
  • Hyperparathyroidism
  • Hyperprolactinemia
  • Hypersomnia
  • Hypertension
  • Hyperthyroidism
  • Hypertriglyceridemia
  • Hypoactive Sexual Desire
  • Hypochondriasis
  • Hypoglycemia
  • Hypogonadism
  • Hypokalemia
  • Hypoparathyroidism
  • Hypopituitarism
  • Hypothyroidism
  • Hypothyroidism
  • Impulse Control Disorder
  • Infection-AIDS
  • Infection-Gonorrhea
  • Infection-Malaria
  • Infection-Urinary Schistosomiasis
  • Infection-Viral Infection
  • Insomnia
  • Insomnial-Early Morning Awakening
  • Intermittent Claudication
  • Intermittent Explosive Disorder
  • Intracranial Pressure - Increased
  • Irritable Bowel Syndrome (IBS)
  • Kidney Disease
  • Kidney Stone
  • Kidney-Renal Failure
  • Kidney-Uremia
  • Kleine-Levin Syndrome
  • Knee Pain
  • Lactase Deficiency
  • Lactose Intolerance
  • Lead Toxicity
  • Learning Disorder
  • Lewy Body Dementia
  • Liver Cirrhosis
  • Liver Disease
  • Liver Disease-autoimmune Hepatitis
  • Liver-Hepatitis B
  • Liver-Hepatitis C
  • Liver-Hepatitis D
  • Liver-Hepatitis E
  • Liver-Hepatitis G
  • Liver-Viral Hepatitis
  • Lung-Pleurisy
  • Lung-Pneumonia
  • Lupus Erythematosus
  • Lyme Disease
  • Malabsorption
  • Male Pattern Baldness
  • Malnutrition
  • Manganese Toxicity
  • Medication-induced Alopecia
  • Medication-induced Hearing Loss
  • Meniere's Disease
  • Menopause
  • Menopause-Drug Induced
  • Menopause-early
  • Menopause-perimenopause
  • Menopause-Postmenstrual Duress
  • Menopause-surgical
  • Mercury Toxicity
  • Metabolic Syndrome
  • Metal-Aluminum
  • Metal-Boron
  • Metal-Phosphorus Toxicity
  • Metal-Zinc
  • Migraine Headache
  • Movement Disorder
  • Movement-Chorea Gravidarum
  • Movement-Guillain-Barre Syndrome
  • Movement-Myoclonus
  • Movement-Transient Tic Disorder
  • Multiple Sclerosis
  • Myasthenia Gravis
  • Narcissistic Personality
  • Narcolepsy
  • Nasal Congestion-Rebound Congestion
  • Neurodermatitis
  • Neurofibromatosis
  • Neurofibromatosis-I
  • Neurofibromatosis-II
  • Neuroleptic Malignant Syndrome
  • Neuropathies
  • Night Eating Syndrome
  • Night Sweats
  • Nightmare Disorder
  • Nonadherence
  • Nonne-Milroy's Disease
  • Nose Bleed
  • Nutritient-Avitaminosis
  • Nutrition-Iron Deficiency
  • Nutrition-Pantothenic Acid B5 Deficiency
  • Nutrition-Pyridoxine B6 Deficiency
  • Nutrition-Thiamine B1 Deficiency
  • Obsessive-compulsive Disorder (OCD)
  • OCD Personality
  • Optic Neuritis
  • Oral Facial Dystonia
  • Oral-Dry Mouth
  • Oral-Gingivitis
  • Orgasmic Disorder
  • Orgasmic Disorder-females
  • Orgasmic Disorder-males
  • Orthostasis
  • Osteoporosis
  • Other And Unspecified Lesions Of Oral Mucosa
  • Overactive Bladder
  • Pain Disorder
  • Pain Disorder - Psychological & General
  • Pain-Branchial Neuralgia
  • Pain-Costochondritis
  • Pain-Hip
  • Pain-Thalamic Central Pain Syndrome
  • Pancreatic Disease
  • Pancreatitis
  • Panic Attacks
  • Paranoid Personality
  • Paraphilia
  • Parkinson's Disease
  • Partial Seizures
  • Pathological Gambling
  • Pathological Gambling-medication Induced
  • Pelvic And Perineal Pain
  • Pelvic Inflammatory Disease (PID)
  • Peptic Ulcer
  • Pericarditis
  • Periodic Limb Movement Disorder
  • Peripheral Neuropathy
  • Personality Disorder
  • Pheochromocytoma
  • Physiologic Flushing
  • Polycystic Ovarian Syndrome
  • Polydipsia
  • Polymyalgia Rheumatica
  • Polyuria-Drug-induced
  • Porphyria
  • Post-traumatic Stress Disorder (PTSD)
  • Postconcussion Syndrome
  • Postpartum Pituitary Necrosis (Sheehan's Syndrome)
  • Pregnancy
  • Pregnancy-Toxemia Of Pregnancy
  • Premenstrual Dysphoric Disorder
  • Primary Biliary Cirrhosis
  • Primary Sclerosing Cholangitis
  • Prostate Disease
  • Pseudo-Carcinoid
  • Pseudobular Affect
  • Pseudoparkinsonism
  • Psoriasis
  • PSY-Abuse
  • PSY-Anxiety-Organic Anxiety
  • PSY-Hallucination - Auditory
  • PSY-Hallucination - Tactile
  • PSY-Hallucination - Visual
  • PSY-Hallucination-Gustatory
  • PSY-Hallucinations Olfactory
  • PSY-Mental Retardation
  • PSY-OCD Medication Induced
  • PSY-Suicide
  • Psychotropics
  • Pulmonary Embolism
  • Pyelonephritis
  • Pyromania
  • Raynaud's Disease
  • Reactive Depression
  • Rectum
  • Refsum's Disease
  • Reiter's Syndrome
  • REM Sleep Behavior Disorder
  • Restless Legs Syndrome
  • Retinal Disorder, Unspecified
  • Rheumatic Fever
  • Rosacea
  • Salpingitis
  • Sarcoidosis
  • Schizoaffective Disorder
  • Schizoid Personality
  • Schizophrenia
  • Schizotypal Personality
  • Seasonal Affective Disorder
  • Seborrheic Dermatitis
  • Seizure Disorder
  • Seizure- Absence
  • Seizure- Atonic
  • Seizure- Ictal Headache
  • Seizure- Myoclonic
  • Seizure-Inferior Temporal Lobe
  • Selenium Toxicity
  • Severity-Progression
  • Severity-Recurrence
  • Severity-Significant Impairment
  • Sex-Masochism
  • Sex-Partialism
  • Sex-Pedophilia
  • Sex-Pedophilia Exclusive
  • Sex-Pedophilia Limited To Incest
  • Sex-Premature Ejaculation
  • Sex-Sadism
  • Sex-Sexual Aversion Disorder
  • Sex-Sexual Dysfunction
  • Sex-Sexual Dysfunction Due To A Medical Condition
  • Sex-Substance-induced Sexual Dysfunction
  • Sex-Transvestic Fetishism
  • Sex-Vaginismus
  • Sex-Voyeurism
  • Sexual Arousal Disorder-females
  • Shared Psychotic Disorder
  • Shoulder Bursitis
  • Shoulder Pain
  • Shoulder Tendinitis
  • Shy-Drager Syndrome
  • Simple Phobia
  • Sinus Headache
  • Sinusitis
  • Sinusitis Ethmoid
  • Sinusitis Frontal
  • Sinusitis Maxillary
  • Sinusitis Sphenoid
  • Sjogren's Syndrome
  • SLE-Drug Induced
  • Sleep Apnea
  • Sleep Disorder
  • Sleep Terror Disorder
  • Sleep-Bruxism
  • Sleep-Circadian Rhythm Sleep Disorder
  • Sleep-Excessive Daytime Sleepiness
  • Sleep-Insomnia-Initial
  • Sleep-Insomnia-Middle
  • Sleep-Nocturia
  • Sleep-poor Sleep Hygiene
  • Sleep-related Eating Disorder
  • Sleep-Restless Leg Syndrome Neuroleptic-induced
  • Sleep-Sleep Disorder Due To Pregnancy
  • Sleep-Sleep Disorder Related To A Neuromuscular Disorder
  • Sleep-Sleep Disorder Related To ADHD
  • Sleep-Sleep Disorder Related To Blindness
  • Sleep-Sleep Disorder Related To Chronic Fatigue Syndrome
  • Sleep-Sleep Disorder Related To Down's
  • Sleep-Sleep Disorder Related To GERD
  • Sleep-Sleep Disorder Related To Myopathy
  • Sleep-Sleep Disorder Related To Nocturnal Headaches
  • Sleep-Sleep Disorder Related To Nocturnal Seizures
  • Sleep-Sleep Disorder Related To Spasticity
  • Sleep-Sleep Disorder Related To Tourette's
  • Sleep-Substance-induced Hypersomnia
  • Sleep-Substance-Substance Induced Sleep Disorder
  • Sleepwalking
  • Social Phobia (Social Anxiety)
  • Somatization
  • Somatoform Disorder
  • Spinal Cord Lesions Above T6
  • Stevens-Johnson Toxic Epidermal Necrolysis
  • Stress
  • Stress-Adjustment Disorder
  • Stress-Relational Problems
  • Stroke
  • Stroke
  • Stroke - Lateral Hypothalamus
  • Stroke - Ventromedial Hyp.
  • Stroke-Hemorrnagic
  • Stuttering
  • Substance Dependence-all
  • Substance-Abuse-all
  • Substance-Alcohol Abuse
  • Substance-Alcohol Dependence
  • Substance-Alcohol Dependence In Remission
  • Substance-Alcohol Use Disorder
  • Substance-Amphetamine Abuse
  • Substance-Amphetamine Dependence
  • Substance-Amphetamine Dependence In Remission
  • Substance-Barbiturate Abuse
  • Substance-Barbiturate Dependence
  • Substance-Barbiturate Use
  • Substance-Benzodiazepine Abuse
  • Substance-Benzodiazepine Dependence
  • Substance-Benzodiazepine Dependence In Remission
  • Substance-Benzodiazepine Use
  • Substance-Caffeine Dependence
  • Substance-Caffeine Intoxication
  • Substance-Caffeine-induced Sleep Disorder
  • Substance-Cocaine Abuse
  • Substance-Cocaine Dependence
  • Substance-Cocaine Dependence In Remission
  • Substance-Heroin Abuse
  • Substance-Heroin Dependence
  • Substance-Heroin In Remission
  • Substance-Inhalant Abuse
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  • Substance-Inhalant Dependence In Remission
  • Substance-LSD Abuse
  • Substance-LSD Dependence
  • Substance-LSD Dependence In Remission
  • Substance-Marijuana Abuse
  • Substance-Marijuana Dependence
  • Substance-Marijuana Dependence In Remission
  • Substance-Meprobamate Abuse
  • Substance-Meprobamate Dependence
  • Substance-Meprobamate Dependence In Remission
  • Substance-Meprobamate Use
  • Substance-Mescaline Abuse
  • Substance-Mescaline Dependence
  • Substance-Mescaline Dependence In Remission
  • Substance-Opioid Abuse
  • Substance-Opioid Dependence
  • Substance-Opioid Dependence In Remission
  • Substance-PCP Abuse
  • Substance-PCP Dependence
  • Substance-PCP Dependence In Remission
  • Substance-Peyote Abuse
  • Substance-Peyote Dependence
  • Substance-Peyote Dependence In Remission
  • Substance-Psilocybin Abuse
  • Substance-Psilocybin Dependence
  • Substance-Psilocybin Dependence In Remission
  • Substance-Sedatives-hypnotics Abuse
  • Substance-Sedatives-hypnotics-Dependence
  • Substance-Sedatives-hypnotics-Dependence In Remission
  • Substance-Tobacco Abuse
  • Substance-Tobacco Dependence
  • Substance-Tobacco Related Illness
  • Substance-Tobacco Use Disorder
  • Syphilis
  • Syringomyelia
  • Systemic Lupus Erythematosus (SLE)
  • Tardive Dyskinesia
  • Tellurium Toxicity
  • Temporal Arteritis
  • Tension Headache
  • Thallium Toxicity
  • Thought Disorder
  • Thrombocytopenia
  • Thyroiditis
  • Tic Disorder
  • Tonic-clonic Seizures
  • Tourette's Disorder
  • Traction Alopecia
  • Transient Ischemic Attack (TIA)
  • Trichotillomania
  • Trigeminal Neuralgia
  • Tropical Sprue
  • Tuberculosis
  • TX-Poor Therapeutic Fit
  • TX-Prior Treatment
  • Ulcerative Colitis
  • Ulcers
  • Urethritis
  • Urinary Incontinence
  • Uterine Disease
  • Validity
  • Vascular Dementia
  • Vasovagal Blackout
  • Venous Insufficiency
  • Venous Thrombosis (DVT)
  • Vertigo
  • Vertigo
  • Vitamin D Deficiency
  • Weight Change
  • Weight Gain
  • Wilson's Disease (hepatolenticular Degeneration)
  • Zollinger-Ellison Syndrome
  • Acoustic neuroma

    An acoustic neuroma, neurinoma, auditory tumor, or vestibular schwannoma, is a benign, non-cancerous tumor that develops on the 8th cranial (vestibulo-cochlear or auditory) nerve that connects the ear to the brain.

    Figure showing the ear and an acoustic neuroma growing from the vestibulo component of the vestibulo-cochlear or auditory nerve (eighth cranial nerve). The acoustic neuroma is stretching both the facial nerve (cranial nerve seven) and the cochlear branch of the vestibulocochlear nerve.

    Acoustic neuromas usually grow very slowly over a period of many years. Acoustic neuromas typically remain within their capsule or lining and displace the surrounding nerves and brain tissue very slowly. The acoustic neuroma growth rate does not appear to be consistent, and the acoustic neuroma tumor might grow for a while and appear to stop, only to start again later.

    Acoustic neuromas tend to grow from the ear side toward the brain, and once the acoustic neuroma grows to fully occupy the internal auditory canal, it often begins to erode the walls of the canal; however this bony erosion does not always occur. As the acoustic neuroma erodes the auditory canal, it enlarges to the point that it can be detected on CT or MRI.

    Estimates of acoustic neuromas that produce symptoms range from 1 in every 3,500 to 5 in every million people. It appears that women are more affected than men and most acoustic neuromas are diagnosed between the ages of 30 & 60 years.

    A small percentage of individuals with acoustic neuromas have the hereditary condition neurofibromatosis type 2 (NF-2), and people with neurofibromatosis type 2 do NOT manifest acoustic neuromas until the average age of 48.

    Schematic showing the genetic inheritance pattern of people with neurofibromatosis type 2.

    People with neurofibromatosis type 2 may also have an acoustic neuroma on both of the two 8th cranial nerves with an aggressive growth pattern and often involve adjacent nerves.

    At first, people with an acoustic neuroma may have no symptoms or mild symptoms that can include, loss of hearing on one side, ringing in the affected ear, and dizziness and balance problems. The acoustic neuroma tumor can also eventually cause numbness or paralysis of the face (as it pushes against and stretches the facial nerve). If the acoustic neuroma grows large enough, it can press against the brain, becoming life-threatening.

    Figure showing the acoustic neuroma pressing against and deforming the brain

    If you have symptoms of an acoustic neuroma, then contact your healthcare provider.

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