Johns Hopkins Medicine

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For over a century, Johns Hopkins has been the model for medical research, teaching and patient care. We continue to build on the promise of medicine through innovation, collaboration and compassion. The promise of medicine is being fulfilled right now, in the place where modern medicine was born. Visit us at or call 855-884-6754.

**The content provided on this site by Johns Hopkins Medicine is for educational and informational purposes only. For medical advice and diagnosis, please see your personal healthcare provider.**


  • Johns Hopkins Medicine

    How are adult stem cells being used for therapy?

    The most successful stem cell therapy—bone marrow transplant—has been around for more than 40 years. Johns Hopkins researchers played an integral role in establishing the methods for how bone marrow transplants are done. In 1968, George Santos completed the first successful bone marrow transplant at Hopkins. Bone marrow...Read More
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    What is a ketogenic diet?

    The high fat, low carbohydrate ketogenic diet has been managed through the Pediatric Epilepsy team at Johns Hopkins since its beginnings in the 1920s. We are the premiere center in the world for clinical and research expertise regarding the ketogenic diet, having enrolled over 700 children over the...Read More
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    What is hereditary prostate cancer (HPC)?

    Researchers at the Brady Urological Institute at Johns Hopkins were the first to establish an undeniable link between a family history of prostate cancer and a man's risk of developing the disease, and to characterize the distinct phenomenon of hereditary prostate cancer (HPC). They proved that p...Read More
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    How is cytomegalovirus retinitis (CMV retinitis) treated?

    Ganciclovir is the drug of choice for fighting the cytomegalovirus that causes CMV retinitis. It is typically recommended that the patient take two 10 mg doses for one week, then 5 milligrams once a day for 100 days. If the condition is considered to be severe, the drug may be given intravenously....Read More
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    What is a Whipple procedure?

    During the Whipple procedure, surgeons remove the head of the pancreas, most of the duodenum (a part of the small intestine), a portion of the bile duct, the gallbladder, and associated lymph nodes. In some cases, the entire duodenum and a portion of the stomach must be removed. In these instances,...Read More
  • Dr. Michele A. Manahan, MD - Baltimore, MD - Plastic Surgery

    What is delayed breast reconstruction for breast cancer patients?

    A delayed breast reconstruction takes place after all of the recommended therapies to treat the cancer are completed. One benefit of waiting for reconstruction is that it allows enough time to make sure all of the cancer has been treated.
    Some women choose to delay breast reconstruction because they...Read More
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    How long do I have to stay in the hospital after breast surgery?

    It is generally your decision whether to return home the day of surgery. The majority of patients who have breast cancer surgery without reconstruction at Johns Hopkins feel so physically well after surgery that they choose to go home that same day. If you do, you will receive oral medications to...Read More
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    Can my child get the flu vaccine if he or she has an egg allergy?

    Pediatricians from Johns Hopkins Children’s Center say even though the flu vaccine contains egg protein, most children with egg and other food allergies can be immunized safely with a few basic precautions. Children with established diagnoses of severe egg allergy should not be immunized without consulting...Read More
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    What is the treatment for acute encephalitis?

    Acute encephalitis is often difficult to treat due to the complex nature of the disease. Depending on the cause of the condition, your doctor may recommend a variety of options to reduce inflammation or treat the infection. Sometimes, the best course of action is to closely monitor the patient, while...Read More
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    How has PSA testing improved?

    Johns Hopkins urologists studying the National Institutes of Health-sponsored study called Baltimore Longitudinal Study of Aging (BLSA) found that up to 10 years before diagnosis the men who developed prostate cancer showed significantly greater rates of change in PSA levels than the men who remained...Read More
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    Which doctors treat pediatric hydrocephalus?

    Pediatric hydrocephalus is the accumulation of spinal fluid inside your child's brain. It is also known as "water on the brain." This can be a very dangerous condition since the normal production and recycling of spinal fluid throughout your child's neurological system is disrupted.
    Your child's...Read More
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    How do genes and family history affect pancreatic cancer risk?

    Knowing your family history of disease is important.  Up to 10 percent of pancreatic cancers are inherited from parent to child.  We are learning about specific instructions in DNA, called genes, that are associated with inherited cancers. 
    Individuals with 2 or more first degree relatives (parent, s...Read More
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    What is hemispherectomy surgery?

    Hemispherectomy (also known as hemidecortication or functional hemispherectomy) is the complete removal or partial removal and disconnection of almost an entire half of the brain (hemisphere).
    This procedure is usually performed on children with severe and very frequent seizures at select centers...Read More
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    What should I expect after bariatric surgery?

    There are a number of things you should anticipate and prepare for after your bariatric surgery. When you first wake up from anesthesia, you'll notice several pieces of medical equipment that are routinely used after surgery. These include:
    • Oxygen mask to provide oxygen.
    • The breathing tube
    ...Read More
  • Johns Hopkins Medicine

    How is the da Vinci system being further developed?

    The surgical robotic system is used for minimally-invasive cardiac surgical operations. It was first used by Drs. David Yuh and William Baumgartner at Johns Hopkins Hospital in June 2003 on a beating heart.
    The surgical robotic system is comprised of four parts:
    •Surgeon console
    •Computerized...Read More