17-Alpha-Hydroxylase

Last updated: February 8, 2026Reviewed date: February 8, 2026Reading time: 9 min read
Patient Tools

Read, save, and share this guide

Use these quick tools to make this medical article easier to read, print, save, or share with a family member.

Patient Mode

Understand this article easily

Switch between simple English and easy Bangla patient notes. This is for education and does not replace a doctor consultation.

17-Alpha-Hydroxylase is an essential enzyme in the human body, primarily involved in the production of steroid hormones. These hormones include cortisol, aldosterone, and sex hormones like estrogen and testosterone. Located mainly in the adrenal glands, 17-Alpha-Hydroxylase plays a critical role in maintaining various bodily functions,...

For severe symptoms, danger signs, pregnancy, child illness, or sudden worsening, seek urgent medical care.

বাংলা রোগী নোট এখনো যোগ করা হয়নি। পোস্ট এডিটরে “RX Bangla Patient Mode” বক্স থেকে সহজ বাংলা সারাংশ যোগ করুন।

এই তথ্য শিক্ষা ও সচেতনতার জন্য। এটি ডাক্তারি পরীক্ষা, রোগ নির্ণয় বা প্রেসক্রিপশনের বিকল্প নয়।

Article Summary

17-Alpha-Hydroxylase is an essential enzyme in the human body, primarily involved in the production of steroid hormones. These hormones include cortisol, aldosterone, and sex hormones like estrogen and testosterone. Located mainly in the adrenal glands, 17-Alpha-Hydroxylase plays a critical role in maintaining various bodily functions, including metabolism, blood pressure regulation, and reproductive health. Pathophysiology of 17-Alpha-Hydroxylase Structure 17-Alpha-Hydroxylase is an enzyme encoded by the CYP17A1...

Key Takeaways

  • This article explains Pathophysiology of 17-Alpha-Hydroxylase in simple medical language.
  • This article explains Types of 17-Alpha-Hydroxylase Disorders in simple medical language.
  • This article explains Causes of 17-Alpha-Hydroxylase Deficiency in simple medical language.
  • This article explains Symptoms of 17-Alpha-Hydroxylase Deficiency in simple medical language.
Educational health guideWritten for patient understanding and clinical awareness.
Reviewed content workflowUse writer and reviewer profiles for stronger trust.
Emergency safety firstUrgent warning signs are highlighted below.

Seek urgent medical care if you notice

These warning signs are general safety guidance. Local emergency numbers and clinical judgment should always come first.

  • Severe symptoms, breathing difficulty, fainting, confusion, or rapidly worsening illness.
  • New weakness, severe pain, high fever, or symptoms after a serious injury.
  • Any symptom that feels urgent, unusual, or unsafe for the patient.
1

Emergency now

Use emergency care for severe, sudden, rapidly worsening, or life-threatening symptoms.

2

See a doctor

Book a professional medical evaluation if symptoms persist, worsen, recur often, affect daily activities, or occur in a high-risk patient.

3

Learn safely

Use this article to understand possible causes, tests, treatment options, prevention, and questions to ask your clinician.

Before reading

RX Patient Tools

Use these quick guides before reading the article, or return to them when you need help preparing questions for a doctor.

Start here Choose the right pathway for symptoms, reports, medicines, or urgent warning signs. Disease article roadmap Read this topic step by step: meaning, symptoms, warning signs, diagnosis, treatment, prevention, and follow-up. Treatment planner Prepare questions about treatment choices, benefits, risks, side effects, and follow-up. Family & caregiver guide Organize symptoms, reports, medicines, questions, and follow-up safely. Nutrition & diet guide Prepare food, hydration, supplement, and medicine-timing questions safely. Prevention guide Organize risk factors, protective habits, screening, and warning signs. Recovery guide Prepare a safe plan for activity, rehabilitation, warning signs, and follow-up.
Definition

17-Alpha-Hydroxylase is an essential enzyme in the human body, primarily involved in the production of steroid hormones. These hormones include cortisol, aldosterone, and sex hormones like estrogen and testosterone. Located mainly in the adrenal glands, 17-Alpha-Hydroxylase plays a critical role in maintaining various bodily functions, including metabolism, blood pressure regulation, and reproductive health.

Pathophysiology of 17-Alpha-Hydroxylase

Structure

17-Alpha-Hydroxylase is an enzyme encoded by the CYP17A1 gene. It resides in the smooth endoplasmic reticulum of adrenal cortex cells. The enzyme facilitates specific chemical reactions necessary for synthesizing steroid hormones from cholesterol.

Blood Supply

The adrenal glands receive a rich blood supply from the superior and inferior suprarenal arteries, ensuring adequate delivery of cholesterol and removal of steroid hormones produced by the adrenal cortex.

Nerve Supply

The adrenal glands are innervated by the sympathetic nervous system. This nerve supply regulates the release of hormones like adrenaline and noradrenaline, which work alongside steroid hormones in the body’s stress response.

Types of 17-Alpha-Hydroxylase Disorders

There are primarily two types of disorders related to 17-Alpha-Hydroxylase:

  1. Congenital Adrenal Hyperplasia (CAH): A genetic condition present from birth, leading to enzyme deficiency.
  2. Acquired 17-Alpha-Hydroxylase Deficiency: Rare and can result from factors like tumors or autoimmune diseases affecting the adrenal glands.

Causes of 17-Alpha-Hydroxylase Deficiency

  1. Genetic Mutations: Changes in the CYP17A1 gene.
  2. Inherited Disorders: Passed down from parents to children.
  3. Adrenal Gland Tumors: Growths that impair enzyme production.
  4. Autoimmune Diseases: The body’s immune system attacks adrenal cells.
  5. Infections: Certain infections can damage the adrenal glands.
  6. Surgical Removal of Adrenal Glands: Leading to enzyme deficiency.
  7. Medications: Some drugs may inhibit enzyme function.
  8. Radiation Therapy: Can damage adrenal tissues.
  9. Metabolic Disorders: Affecting hormone synthesis pathways.
  10. Nutritional Deficiencies: Impacting overall adrenal health.
  11. Environmental Toxins: Exposure to harmful substances.
  12. Chronic Stress: Overworking the adrenal glands.
  13. Hormonal Imbalances: Disrupting normal enzyme activity.
  14. Developmental Disorders: Affecting adrenal gland formation.
  15. Idiopathic Causes: Unknown origins.
  16. Inborn Errors of Metabolism: Affecting steroid hormone synthesis.
  17. Endocrine Disruptors: Chemicals interfering with hormone production.
  18. Chronic infection, or irritation, often causing pain, swelling, heat, or redness. সহজ বাংলা: শরীরের প্রদাহ; ব্যথা, ফোলা বা লালভাব হতে পারে।" data-rx-term="inflammation" data-rx-definition="Inflammation is the body’s response to injury, infection, or irritation, often causing pain, swelling, heat, or redness. সহজ বাংলা: শরীরের প্রদাহ; ব্যথা, ফোলা বা লালভাব হতে পারে।">Inflammation: Damaging adrenal tissue.
  19. Viral Infections: Targeting adrenal glands.
  20. Genetic Disorders: Like POR deficiency affecting enzyme function.

Symptoms of 17-Alpha-Hydroxylase Deficiency

  1. High Blood Pressure: Due to aldosterone imbalance.
  2. Low Sodium Levels: Affecting fluid balance.
  3. High Potassium Levels: Disrupting nerve and muscle function.
  4. Fatigue: Resulting from hormonal imbalances.
  5. Weakness: General physical weakness.
  6. Delayed Puberty: In adolescents.
  7. Infertility: Affecting reproductive health.
  8. Lack of Sexual Development: In both males and females.
  9. Ambiguous Genitalia: In genetic females with male characteristics.
  10. Menstrual Irregularities: In females.
  11. Decreased Libido: Reduced sexual desire.
  12. Headaches: Related to high blood pressure.
  13. Dizziness: From electrolyte imbalances.
  14. Muscle Cramps: Due to potassium levels.
  15. Weight Gain: From fluid retention.
  16. Mood Swings: Affecting mental health.
  17. Anxiety: Increased stress levels.
  18. Depression: Mood disturbances.
  19. Bone Weakness: From hormonal deficits.
  20. Recurrent Infections: Weakened immune response.

Diagnostic Tests for 17-Alpha-Hydroxylase Deficiency

  1. Blood Tests: Measuring hormone levels.
  2. Electrolyte Panel: Checking sodium and potassium.
  3. Genetic Testing: Identifying CYP17A1 mutations.
  4. Adrenal Imaging: Using CT or MRI scans.
  5. Hormone Stimulation Tests: Assessing adrenal function.
  6. Urine Tests: Measuring steroid metabolites.
  7. Sex Hormone Levels: Evaluating estrogen and testosterone.
  8. Renin Activity Test: Checking aldosterone regulation.
  9. Blood Pressure Monitoring: Identifying hypertension.
  10. Bone Density Scan: Assessing bone health.
  11. Electrocardiogram (ECG): Detecting heart rhythm issues.
  12. Ultrasound: Imaging adrenal glands.
  13. Biopsy: Rarely, tissue sampling.
  14. MRI with Contrast: Detailed adrenal imaging.
  15. Endocrine Panel: Comprehensive hormone assessment.
  16. Pediatric Evaluation: In cases of delayed puberty.
  17. Family History Analysis: Assessing genetic risk.
  18. Metabolic Panel: Checking overall metabolism.
  19. Psychological Assessment: Evaluating mental health impacts.
  20. Bone Age Assessment: In growing children.

Non-Pharmacological Treatments for 17-Alpha-Hydroxylase Deficiency

  1. Dietary Modifications: Balancing electrolytes.
  2. Hydration Therapy: Maintaining fluid balance.
  3. Physical Therapy: Improving muscle strength.
  4. Psychological Counseling: Addressing mental health.
  5. Lifestyle Changes: Reducing stress.
  6. Regular Monitoring: Keeping track of blood pressure.
  7. Exercise Programs: Enhancing overall health.
  8. Nutritional Supplements: Supporting adrenal function.
  9. Weight Management: Preventing fluid retention.
  10. Avoiding Toxins: Reducing exposure to harmful substances.
  11. Stress Management Techniques: Like meditation.
  12. Support Groups: Connecting with others.
  13. Educational Support: For affected children.
  14. Occupational Therapy: Assisting daily activities.
  15. Bone Health Strategies: Preventing fracture risk. সহজ বাংলা: হাড় দুর্বল হয়ে ভাঙার ঝুঁকি বেশি।" data-rx-term="osteoporosis" data-rx-definition="Osteoporosis means weak, fragile bones with higher fracture risk. সহজ বাংলা: হাড় দুর্বল হয়ে ভাঙার ঝুঁকি বেশি।">osteoporosis.
  16. Sexual Health Counseling: Addressing reproductive issues.
  17. Regular Check-ups: With healthcare providers.
  18. Vaccinations: Preventing infections.
  19. Sleep Hygiene: Ensuring adequate rest.
  20. Avoiding Excessive Salt: Managing sodium levels.
  21. Limiting Caffeine: Reducing blood pressure spikes.
  22. Balanced Diet: Ensuring adequate nutrient intake.
  23. Hydrotherapy: Relaxation techniques.
  24. Yoga and Stretching: Enhancing flexibility.
  25. Acupuncture: Alternative therapy for symptom relief.
  26. Mindfulness Practices: Reducing anxiety.
  27. Breathing Exercises: Managing stress.
  28. Heat Therapy: Alleviating muscle cramps.
  29. Cold Therapy: Reducing infection, or irritation, often causing pain, swelling, heat, or redness. সহজ বাংলা: শরীরের প্রদাহ; ব্যথা, ফোলা বা লালভাব হতে পারে।" data-rx-term="inflammation" data-rx-definition="Inflammation is the body’s response to injury, infection, or irritation, often causing pain, swelling, heat, or redness. সহজ বাংলা: শরীরের প্রদাহ; ব্যথা, ফোলা বা লালভাব হতে পারে।">inflammation.
  30. Environmental Control: Creating a healthy living space.

Medications for 17-Alpha-Hydroxylase Deficiency

  1. Glucocorticoids: To replace cortisol.
  2. Mineralocorticoids: To regulate aldosterone.
  3. Estrogen Therapy: For female hormone balance.
  4. Testosterone Therapy: For male hormone balance.
  5. Antihypertensives: Lowering high blood pressure.
  6. Electrolyte Supplements: Balancing sodium and potassium.
  7. Nonsteroidal inflammation, pain, or swelling. সহজ বাংলা: প্রদাহ/ফোলা/ব্যথা কমায়।" data-rx-term="anti-inflammatory" data-rx-definition="Anti-inflammatory means reducing inflammation, pain, or swelling. সহজ বাংলা: প্রদাহ/ফোলা/ব্যথা কমায়।">Anti-Inflammatory Drugs (NSAIDs): For pain relief.
  8. Beta-Blockers: Managing heart rate.
  9. ACE Inhibitors: Controlling blood pressure.
  10. Diuretics: Reducing fluid retention.
  11. Statins: Managing cholesterol levels.
  12. Insulin: If diabetes is present.
  13. Anti-Anxiety Medications: For mental health support.
  14. Antidepressants: Addressing depression.
  15. Bone Density Medications: Preventing osteoporosis.
  16. Thyroid Hormones: If thyroid function is affected.
  17. Vitamin D Supplements: Supporting bone health.
  18. Calcium Supplements: Enhancing bone strength.
  19. Progestins: For menstrual regulation.
  20. Androgens: For male development.
  1. Adrenalectomy: Removal of adrenal glands.
  2. Tumor Removal: Extracting adrenal tumors.
  3. Hysterectomy: In severe cases for females.
  4. Oophorectomy: Removal of ovaries.
  5. Orchiectomy: Removal of testes.
  6. Reconstructive Surgery: For ambiguous genitalia.
  7. Kidney Surgery: If related to high blood pressure.
  8. Vascular Surgery: Addressing blood vessel issues.
  9. Bone Surgery: In cases of severe bone weakness.
  10. Transplant Surgery: Rarely, adrenal gland transplants.

Prevention of 17-Alpha-Hydroxylase Deficiency

  1. Genetic Counseling: For at-risk families.
  2. Prenatal Screening: Detecting enzyme deficiencies before birth.
  3. Healthy Lifestyle: Supporting adrenal health.
  4. Avoiding Toxins: Reducing exposure to harmful substances.
  5. Balanced Diet: Ensuring adequate nutrient intake.
  6. Regular Health Check-ups: Early detection of issues.
  7. Managing Stress: Preventing adrenal fatigue.
  8. Vaccinations: Protecting adrenal glands from infections.
  9. Avoiding Unnecessary Medications: Preventing drug-induced deficiencies.
  10. Early Intervention: Treating symptoms promptly.

When to See a Doctor

  • Persistent High Blood Pressure: Especially in young individuals.
  • Unexplained Fatigue: Lasting longer than usual.
  • Delayed Puberty: In teenagers.
  • Irregular Menstrual Cycles: In females.
  • Infertility Issues: Difficulty conceiving.
  • Severe Mood Swings: Affecting daily life.
  • Muscle Weakness or Cramps: Unexplained physical symptoms.
  • Unexplained Weight Gain: Without dietary changes.
  • Recurrent Infections: Frequent illness without cause.
  • Changes in Sexual Development: Unexpected physical changes.

Frequently Asked Questions (FAQs)

  1. What is 17-Alpha-Hydroxylase?
    • It’s an enzyme crucial for producing certain steroid hormones in the adrenal glands.
  2. What happens if I have a deficiency in 17-Alpha-Hydroxylase?
    • It can lead to hormonal imbalances, causing symptoms like high blood pressure and delayed puberty.
  3. Is 17-Alpha-Hydroxylase deficiency inherited?
    • Yes, it’s often a genetic condition passed from parents to children.
  4. Can 17-Alpha-Hydroxylase deficiency be treated?
    • Yes, through hormone replacement therapy and other medical interventions.
  5. What causes 17-Alpha-Hydroxylase deficiency?
    • Mainly genetic mutations, but it can also result from adrenal gland damage or tumors.
  6. How is 17-Alpha-Hydroxylase deficiency diagnosed?
    • Through blood tests, genetic testing, and imaging studies of the adrenal glands.
  7. Are there different types of 17-Alpha-Hydroxylase deficiency?
    • Yes, congenital (present at birth) and acquired forms exist.
  8. Can lifestyle changes help manage this deficiency?
    • Yes, including diet, stress management, and regular medical check-ups.
  9. What hormones are affected by 17-Alpha-Hydroxylase?
    • Cortisol, aldosterone, estrogen, and testosterone.
  10. Is surgery a common treatment for this condition?
    • Surgery is rare and usually only needed for specific complications like tumors.
  11. Can children with this deficiency lead normal lives?
    • With proper treatment and management, many can lead healthy lives.
  12. Does this condition affect both genders?
    • Yes, it affects males and females, though symptoms may differ.
  13. What is the prognosis for someone with 17-Alpha-Hydroxylase deficiency?
    • With appropriate treatment, individuals can manage symptoms effectively.
  14. Are there any natural remedies for this condition?
    • While lifestyle changes help, medical treatment is essential for hormone balance.
  15. How common is 17-Alpha-Hydroxylase deficiency?
    • It’s a rare genetic disorder, part of a group called congenital adrenal hyperplasia.

Conclusion

17-Alpha-Hydroxylase is a vital enzyme for hormone production in the adrenal glands. Deficiency in this enzyme can lead to significant health issues, including hormonal imbalances, high blood pressure, and reproductive challenges. Understanding the causes, symptoms, and available treatments is crucial for managing this condition effectively. If you suspect any related symptoms, seeking medical advice promptly is essential for proper diagnosis and treatment.

 

 

Disclaimer: Each person’s journey is unique, treatment plan, life style, food habit, hormonal condition, immune system, chronic disease condition, geological location, weather and previous medical  history is also unique. So always seek the best advice from a qualified medical professional or health care provider before trying any treatments to ensure to find out the best plan for you. This guide is for general information and educational purposes only. Regular check-ups and awareness can help to manage and prevent complications associated with these diseases conditions. If you or someone are suffering from this disease condition bookmark this website or share with someone who might find it useful! Boost your knowledge and stay ahead in your health journey. We always try to ensure that the content is regularly updated to reflect the latest medical research and treatment options. Thank you for giving your valuable time to read the article.

 

 

Doctor visit helper

Prepare before seeing a doctor

A simple rural-patient checklist to help you explain symptoms clearly, ask better questions, and avoid unsafe self-treatment.

Safety note: This is not a prescription or diagnosis. For severe symptoms, pregnancy danger signs, children with serious illness, chest pain, breathing difficulty, stroke-like weakness, or major injury, seek urgent care.

Which doctor may help?

Start with a registered doctor or the nearest qualified health center.

What to tell the doctor

  • Write when the problem started and how it changed.
  • Bring old prescriptions, investigation reports, and current medicines.
  • Write allergies, pregnancy status, diabetes, kidney/liver disease, and major past illnesses.
  • Bring one family member if the patient is weak, elderly, confused, or a child.

Questions to ask

  • What is the most likely cause of my symptoms?
  • Which danger signs mean I should go to hospital quickly?
  • Which tests are necessary now, and which can wait?
  • How should I take medicines safely and what side effects should I watch for?
  • When should I come for follow-up?

Tests to discuss

  • Vital signs: temperature, pulse, blood pressure, oxygen saturation
  • Basic physical examination by a clinician
  • CBC, urine test, blood sugar, or imaging only when clinically needed

Avoid these mistakes

  • Do not use antibiotics, steroid tablets/injections, or strong painkillers without proper medical advice.
  • Do not hide pregnancy, kidney disease, ulcer, allergy, or blood thinner use.
  • Do not delay emergency care when danger signs are present.

Medicine safety and first-aid guide

This section is for patient education only. It does not replace a doctor, pharmacist, or emergency care.

Safe first steps

  • Avoid heavy lifting, sudden bending, and prolonged bed rest.
  • Use comfortable posture and gentle movement as tolerated.
  • Discuss physiotherapy, X-ray, or MRI only when clinically needed.

OTC medicine safety

  • For mild back pain, pain-relief medicine may be discussed with a doctor or pharmacist.
  • Avoid repeated painkiller use if you have kidney disease, stomach ulcer, uncontrolled blood pressure, or are taking blood thinners.

Avoid these mistakes

  • Do not start antibiotics without a proper medical decision.
  • Do not use steroid tablets or injections casually for quick relief.
  • Do not delay emergency care because of home remedies.

Get urgent help if

  • Back pain with leg weakness, numbness around private area, loss of urine/stool control, fever, cancer history, or major injury needs urgent care.
Medicine names, dose, and timing must be decided by a qualified clinician or pharmacist after checking age, pregnancy, allergy, other diseases, and current medicines.

For rural patients and family caregivers

Patient health record and symptom diary

Write your symptoms, medicines already taken, test results, and questions before visiting a doctor. This note stays on your device unless you print or copy it.

Doctor to discuss: Doctor / qualified healthcare provider
Tests to discuss with doctor
  • Basic vital signs: temperature, pulse, blood pressure, oxygen level if needed
  • Relevant blood, urine, imaging, or specialist tests only after clinical assessment
Questions to ask
  • What is the most likely cause of my symptoms?
  • Which warning signs mean I should go to emergency care?
  • Which tests are really needed now?
  • Which medicines are safe for my age, pregnancy status, allergy, kidney/liver/stomach condition, and current medicines?

Emergency warning signs such as chest pain, severe breathing difficulty, sudden weakness, confusion, severe dehydration, major injury, or loss of bladder/bowel control need urgent medical care. Do not wait for online information.

Safe pathway to proper treatment

Care roadmap for: 17-Alpha-Hydroxylase

Use this simple roadmap to understand the next safe steps. It is educational and does not replace examination by a doctor.

Go to emergency care if you notice:
  • Severe or rapidly worsening symptoms
  • Breathing difficulty, chest pain, fainting, confusion, severe weakness, major injury, or severe dehydration
Doctor / service to discuss: Qualified healthcare provider; specialist depends on symptoms and examination.
  1. Step 1

    Check danger signs first

    If danger signs are present, seek emergency care and do not wait for online information.

  2. Step 2

    Record the symptom story

    Write when symptoms started, severity, medicines already taken, allergies, pregnancy status, and test results.

  3. Step 3

    Visit a qualified clinician

    A doctor, nurse, or qualified healthcare provider can examine you and decide which tests or treatment are needed.

  4. Step 4

    Do only useful tests

    Do tests after clinical assessment. Avoid unnecessary tests, random antibiotics, or repeated medicines without diagnosis.

  5. Step 5

    Follow up and return early if worse

    If symptoms worsen, new warning signs appear, or treatment is not helping, return for review quickly.

Rural patient practical tips
  • Take a written symptom diary and all previous prescriptions/test reports.
  • Do not hide medicines already taken, even herbal or over-the-counter medicines.
  • Ask which warning signs mean urgent referral to hospital.

This roadmap is for education. A real diagnosis and treatment plan requires history, examination, and clinical judgment.

RX Patient Help

Ask a health question safely

Write your symptom story. A health professional or site editor can review it before any answer is prepared. This box is not for emergency care.

Emergency first: Severe chest pain, breathing trouble, unconsciousness, stroke signs, severe injury, heavy bleeding, or rapidly worsening symptoms need urgent local medical care now.

Frequently Asked Questions

Is this article a replacement for a doctor?

No. It is educational content only. Patients should consult a qualified clinician for diagnosis and treatment.

When should I seek urgent care?

Seek urgent care for severe symptoms, rapidly worsening condition, breathing difficulty, severe pain, neurological changes, or any emergency warning sign.

References

Add references, clinical guidelines, textbooks, journal articles, or trusted medical sources here. You can edit this area from the RX Article Professional Blocks panel.

More from this topic
  1. Congenital Adrenal Hyperplasia Due to Apparent Combined P450c17 and P450c21 Deficiency

    DefinitionCongenital? adrenal hyperplasia due to apparent combined P450c17 and P450c21 deficiency is a very rare genetic disease that affects how the adrenal glands make hormones. In...

    March 6, 2026 • Rx Urology
  2. Congenital Adrenal Hyperplasia Due to Cytochrome P450 Oxidoreductase Deficiency

    DefinitionCongenital? adrenal hyperplasia due to cytochrome P450 oxidoreductase deficiency is a rare inherited disease that affects how the body makes important steroid? hormones such as cortisol,...

    March 6, 2026 • Rx Urology
  3. Congenital Adrenogenital Syndrome

    DefinitionCongenital? adrenogenital syndrome is another name for congenital? adrenal hyperplasia (CAH). It is a group of genetic (inborn) disorders where the adrenal glands cannot make some...

    March 6, 2026 • Rx Urology
  4. Congenital Adrenal Hyperplasia

    DefinitionCongenital? adrenal hyperplasia, often called CAH, is a group of genetic problems that affect the adrenal glands. These are two tiny glands that sit on top...

    March 5, 2026 • Rx Urology
  5. Cerebellar Ataxia Co-Occurrent with Ectodermal Dysplasia

    DefinitionCerebellar ataxia co-occurrent with ectodermal dysplasia, also called cerebellar ataxia-ectodermal dysplasia syndrome, is a very rare genetic condition where a person has both a brain balance...

    December 20, 2025 • Rx Urology
  6. C1q Nephropathy

    DefinitionC1q nephropathy is a rare kidney disease. It affects the filters of the kidney called glomeruli. In this disease, the body’s immune system leaves a protein...

    November 8, 2025 • Rx Urology
  7. Exstrophy of the Urinary Bladder Sequence

    DefinitionExstrophy of the urinary bladder sequence is a rare birth condition. It starts when a baby is growing in the womb. The lower belly wall does...

    October 28, 2025 • Rx Urology
  8. Bladder Exstrophy–Epispadias–Cloacal Exstrophy Complex (BEEC)

    DefinitionBladder exstrophy–epispadias–cloacal exstrophy complex (BEEC) is a group (a spectrum) of rare birth defects that affect the front wall of the belly and the lower urinary...

    October 28, 2025 • Rx Urology
  9. Bladder Exstrophy

    DefinitionBladder exstrophy is a rare birth defect. It happens when a baby’s lower tummy wall and the front wall of the bladder do not close before...

    October 28, 2025 • Rx Urology
  10. Polyomavirus-Associated Nephropathy (PAN)

    DefinitionPolyomavirus-associated nephropathy is kidney damage caused by reactivation of a common virus (usually BK polyomavirus) in people who receive a kidney transplant. Most adults were infected...

    October 28, 2025 • Rx Urology