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How big are the kidneys and where are they located

A 34-year-old member asked:
Dr. Casey Ng
Dr. Casey Nganswered
Urology 17 years experience
here you go: Each kidney weighs anywhere between 1/4 to 1/3 of a pound. They are located in the upper back, just below the diaphragm, in the retroperitoneum.

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A 32-year-old member asked:
Dr. S. Smiley Thakur
Nephrology and Dialysis 31 years experience
Yes: And too big to pass on its own.
Dr. Dean Giannone
Internal Medicine 25 years experience
Yeah, that's big.: A stone up to 5mm in size will predictably pass, with variable degrees of pain. A 12mm stone is going to get stuck if it decides to move out of the k... Read More
A 45-year-old member asked:
Dr. Casey Ng
Dr. Casey Nganswered
Urology 17 years experience
about: It is a little larger than 1/8 of an inch.
A 41-year-old member asked:
Dr. Grant Linnell
Radiology 24 years experience
Not small, not big: Stone size is important in trying to predict which stones will pass on their own. Stones 4 mm and smaller have an 80% chance of passing on their own.... Read More
A 19-year-old female asked:
Dr. Robert Killian
General Practice 28 years experience
Lithotripsy: They either shock it into crumbles with a process known as lithotripsy or they go in and get it surgically.
A 21-year-old female asked:
Dr. James Lin
A Verified Doctoranswered
A US doctor answeredLearn more
Depend...: Shockwave rx (eswl) for urinary stone is advised for less than some 1.5 cm. But the stone density and past response to eswl may sway this fix rule. Be... Read More
A 19-year-old female asked:
Dr. Corinne Deurdulian
Radiology 22 years experience
Depends: A large kidney stone that does not pass may obstruct the flow of urine from the kidney to the bladder, causing the "urine collecting system" of the ki... Read More
A 46-year-old member asked:
Dr. George Klauber
Specializes in Pediatric Urology
Pain reief,see stone: Reief comes when a painful kidney stone is no longer obstructing & has likely reached the bladder. Stones small enough to reach bladder, usually 6mm o... Read More
A 31-year-old female asked:
Dr. Milton Alvis, jr
Preventive Medicine 41 years experience
Small ones are more: likely to induce pain. Why? Because stone surfaces are composed of crystals with sharp surfaces plus ureters are typically both very sensitive to irri... Read More
A 34-year-old female asked:
Dr. Martin Raff
Infectious Disease 56 years experience
Discuss with OB: You do not provide sufficient information to allow an intelligent response. Your OB will know all about this and is the best person with whom to disc... Read More

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