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38-Year-Old Man with Severe Back Pain Discovers He Has Three Kidneys

“We had never seen anything like this,” a doctor said.

Ann Moises




  • A man suffering from back pain accidentally discovered he has three kidneys.
  • His low back pain was secondary to a herniated disc and had nothing to do with the anomaly.
  • Doctors incidentally found out while evaluating the results of his laboratory tests.
  • The man has a normal left kidney and two kidneys fused together in the pelvis.

A 38-year-old man went to Hospital Do Rim in São Paulo, Brazil complaining of severe low back pain. Laboratory and imaging tests were done to identify the cause of his ailment. Incidentally, the doctors discovered a rare congenital abnormality—the man has three kidneys.

However, the man was in pain due to a herniated disc, and not because of his uncommon condition. His computed tomography (CT) scan revealed a slipped disc between his lumbar 4 (L4) and lumbar 5 (L5).

The imaging result likewise showed that he has a normal-looking left kidney, and two more kidneys fused together in the pelvis.
Photo: The New England Journal of Medicine

The ureter from the man’s left kidney converged with another ureter from another left kidney, above its entrance into the bladder. The ureter from the right pelvic kidney entered the bladder on the right side. Dr. Jose O. Medina-Pestana and Renato D. Foresto explained this finding in the New England Journal of Medicine.

The duplicate left kidney probably resulted from a premature division of the left ureteral bud, according to the study written by the aforementioned doctors. Furthermore, his right and lower left developing kidneys fused and failed to ascend during development.

This extremely rare anomaly is called ‘Supernumerary Kidney.’
Photo: Radiologia Brasileira

There are less than 100 reported cases in medical literature about this.

People are commonly asymptomatic and the condition is often inadvertently detected because of another complaint.

However, fever, hypertension, abdominal discomfort or palpable mass may be presenting symptoms, according to NCBI.

“We had never seen anything like this,” Dr. Foresto, told IFLScience. “The surprise was great, followed by concern there was something wrong with the patient’s health.”

Despite the patient’s condition, his renal function was normal.

“Further investigation with abdominal ultrasound and tomography was considered sufficient since the cause of the pain had already been diagnosed and there were no other changes in laboratory tests,” Dr Foresto said.

Meanwhile, they prescribed the unnamed patient with oral analgesics for his back pain.


10 Wound Care Remedies: Facts or Myths

Surprisingly, some are actually true.

Ann Moises



  • Proper wound care is essential to prevent infections and complications.
  • There are several detrimental beliefs that we should never practice when caring for wounds.

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36 Before And After Photos That Prove Weight Is Just A Number

#11 looks unbelievable!




We always believe that the easiest way to know if we gained or lost weight is through the scale. Our logic is quite simple: when you gained weight that means you’re fat, and when you lost weight that means you’re slimmer.

However, it’s not always the case. You don’t have to be a slave of your scale because weight is just a number. Here are 20 before and after photos that prove your weight is meaningless.

1. You don’t have to lose a hundred pounds to see the difference.

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5 Reasons Why Sleeping On The Job Is Actually A GOOD Thing

Yes, it can benefit your body and even your company.

Mark Andrew



While some people would tell you that sleeping on the job is a bad habit, science is actually saying otherwise. According to experts, napping at work brings numerous benefits - including boosting your productivity.

In an article written by Bradley Young, co-founder of relaxation solutions company Silentmode, we learn that taking a nap can be an advantage both for your body and your company. Read on and you just might convince your boss to be a little more accepting about office napping.

1. Your productivity will increase.

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