You went in for a procedure, came home, and started healing — until a fever, swelling, or a stubborn pain that won’t quit told you something is wrong. When surgical instruments are left inside the body after an operation, the consequences are real, dangerous, and almost never your fault. Doctors and hospitals have a name for this: a “retained surgical item,” or a “never event” — because with the safety steps every operating room is supposed to follow, it should never happen at all.
If you’re reading this because something feels off after surgery in Las Vegas, you’re not imagining it, and you’re not overreacting. Here’s what a left-behind object does to the body, why it happens, and what Nevada law gives you the right to do about it.
What “retained surgical items” actually means
A retained surgical item (RSI) is any object a surgical team unintentionally leaves inside a patient after closing the incision. It’s a recognized category of medical error, tracked by hospital safety organizations and classified as a “never event” — the most preventable kind of harm in medicine.
The objects fall into a few groups:
- Soft goods: surgical sponges, gauze, and towels. These soak up blood and can blend into surrounding tissue, which is exactly why they’re so easy to lose track of and so hard to spot later.
- Sharps: broken scalpel tips, suture needles, and blade fragments, which can migrate through tissue over time.
- Instruments and hardware: clamps, retractors, forceps, and small pieces of tubing or device components.
The single most common retained item is the surgical sponge. In a typical operation, a team may handle 250 to 300 separate instruments and sponges; in a major surgery, that number can climb past 600. Every one of them has to be accounted for before the patient is closed — and when the count fails, a sponge is usually what gets left behind.
The most common items left behind — and why sponges top the list
People are often shocked that a sponge, not a clamp or a needle, is the item most frequently left inside a patient. The reason is physical. A metal instrument shows up on an X-ray and feels obviously out of place. A blood-soaked sponge is soft, dark, and shaped like the tissue around it. Once it’s tucked into a body cavity, it can disappear from view in seconds.
Modern sponges are supposed to carry a radiopaque marker — a thread or tag that shows up on imaging — precisely so they can be found if a count comes up short. But markers only help if someone orders the scan and reads it correctly. When a team trusts a manual count that was wrong, the sponge stays put, and the patient goes home with it.
What a left-behind object does to your body
A foreign object doesn’t sit quietly. Your body treats it as an invader, and the damage builds over weeks or months.
- Severe infection and sepsis. Retained items trap bacteria, creating localized abscesses. Left unaddressed, that infection can spread into the bloodstream and become sepsis — a life-threatening, whole-body emergency.
- Organ perforation and blockages. An object can press against or puncture the intestines, stomach, or bladder, causing internal blockages or dangerous fistulas.
- Chronic inflammation, scar tissue, and pain. Your immune system attacks the object relentlessly, producing intense internal swelling, adhesions, dense scar tissue, and persistent pain that no one can explain from your original diagnosis.
- Another surgery. Most cases require a second, unplanned operation to locate and remove the item — which means more anesthesia, more recovery, more time off work, and more risk stacked on top of an injury you never should have had.
The cruel part is the timeline. Many patients feel fine at first. The symptoms surface later, often after they’ve been reassured that their recovery is “normal.” By the time a scan reveals the truth, real harm has already been done.
How does this happen in a Las Vegas hospital?
This is where a retained item stops being a freak accident and starts being a systems failure. Left-behind objects are rarely one person’s slip. They’re what happens when the safeguards designed to catch a miscount all fail at once.
The common causes are well documented:
- Manual counting mistakes. The primary defense against a retained item is a multi-person count of every sponge and instrument. When that count is rushed, interrupted, or trusted over a scan, the error slips through.
- Emergency and unexpected procedures. Studies show a retained item is far more likely when surgery is done on an emergency basis or when the procedure changes unexpectedly mid-operation — exactly the high-pressure moments when counts get skipped.
- Communication breakdowns. Shift changes, team hand-offs, and unclear roles between the surgeon, nurses, and techs are a frequent root cause.
- Understaffing and fatigue. A short-staffed or overworked surgical team has less margin to run a careful count — which is why retained items so often trace back to how a facility is run, not just who was in the room.
Las Vegas patients undergo surgery every day at facilities like UMC (University Medical Center), Sunrise Hospital, Valley Hospital, Centennial Hills Hospital, Spring Valley Hospital, Summerlin Hospital, and Mountain View Hospital. When a facility’s staffing, protocols, or count procedures break down, the hospital itself — not only the individual surgeon — can bear responsibility. That distinction matters, and it’s the core of a Las Vegas hospital negligence claim: the institution failed, and the institution answers for it. Nevada has seen serious hospital-negligence litigation reach its highest courts, including a high-profile case against the company that operates Centennial Hills and Valley Hospital — proof that these claims are taken seriously here.
Is a left-behind object automatically malpractice?
Not every bad outcome after surgery is malpractice — some complications are known, disclosed risks of a procedure. But a retained surgical item sits in a different category. It’s classified as a “never event” specifically because the standard of care already includes the steps to prevent it: the counts, the wound checks, the imaging when a count is off. Leaving an object behind generally means one or more of those steps failed.
That doesn’t make every case automatic, and it doesn’t replace a lawyer’s review of your specific facts. If you’re trying to sort out whether what happened to you crosses the line from an accepted risk into negligence, our breakdown of a surgical error versus a known risk walks through how that line is drawn. A retained object is also distinct from other never events like wrong-site and wrong-patient surgeries, though they share the same root cause: a safety system that was supposed to catch the mistake and didn’t. Every case is different, and the only way to know where yours stands is to have someone review the records.
Can you sue if an object was left inside you?
Yes — Nevada recognizes claims for retained surgical items as a form of medical malpractice, and these are among the clearest examples of a hospital or surgical team falling below the standard of care.
Two things about Nevada law are worth understanding early.
Your deadline is its own clock — and it may be longer than you think. Medical malpractice claims in Nevada run on a different timeline than an ordinary injury claim. Because a retained object often stays hidden until symptoms force a scan, Nevada’s “discovery rule” is central: your window can start when you learned (or reasonably should have learned) that something was left inside you — not necessarily on the day of the surgery. Retained-object cases are exactly the situation the discovery rule exists for. The specific deadline that applies to you depends on your facts, so don’t assume you’re too late — confirm it. Our guide to the Nevada med mal statute of limitations explains how the timing works, and a short conversation can pin down your actual deadline.
Nevada requires an expert affidavit to even file — and that’s why the right firm matters. Before a medical malpractice complaint can be filed in Nevada, it must include a sworn affidavit from a qualified medical expert confirming the claim has merit. There’s no informal exception for “obvious” cases anymore — even a retained sponge requires that expert sign-off at filing. Lining up and paying for that expert is why many firms turn medical malpractice cases away. It’s also why the firm you choose should be one that handles these cases and is willing to advance those costs.
As for what you can recover: economic damages — your medical bills, the cost of the removal surgery, lost income, and future care — are not capped in Nevada. Non-economic damages, like pain and suffering, are subject to a statutory limit that rises each year. The specifics of your recovery depend on your injuries, which is another reason a case review is the right first step rather than a number pulled off the internet.
What to do if you think something was left inside you
If your gut is telling you something is wrong after a surgery in Las Vegas, act on it.
- Take your symptoms seriously. Unexplained pain, swelling, fever, or digestive problems after surgery deserve a real workup, not reassurance. Ask directly whether imaging can rule out a retained object.
- Get your records. Request your operative report, the sponge and instrument count sheets, and any post-op imaging. These documents often show whether a count was flagged.
- Preserve everything. Keep every bill, scan, and note related to your ongoing symptoms and any follow-up surgery.
- Talk to a lawyer before your deadline. A retained-object case is time-sensitive and document-heavy. Getting a professional review early protects both your health decisions and your legal options.
Frequently Asked Questions
Can you sue for a foreign object left behind during surgery?
Yes. Under Nevada law, a foreign object left inside your body after surgery can form the basis of a medical malpractice claim against the surgeon, the surgical team, and often the hospital itself. Because retained items are classified as preventable “never events,” these cases are among the stronger malpractice claims. You’ll need a qualified medical expert’s affidavit to file, and your claim has a deadline tied to when the object was or should have been discovered. Every situation is different, so the best step is to have an attorney review your operative records and imaging to confirm you have a viable claim and how long you have to bring it.
What is the most common retained surgical item?
The surgical sponge is the single most commonly retained item. Sponges absorb blood and take on the color and texture of surrounding tissue, which makes them far easier to lose track of than a metal instrument that would be visible or palpable. Most sponges are made with a radiopaque marker so they appear on an X-ray, but that safeguard only works if the team notices a count is off and orders the scan. When a manual count is trusted despite being wrong, the sponge is usually what gets left behind — and it can go undetected for months or even years before symptoms appear.
What happens if surgical staples are left in the body?
Some surgical staples are designed to stay in permanently and cause no harm. The problem is staples or hardware that were meant to be removed, or fragments left unintentionally. Retained staples can migrate, drive chronic inflammation, trigger infection, or perforate nearby tissue and organs — much like other retained items. If you’re experiencing pain, swelling, or infection around a surgical site and imaging shows hardware that shouldn’t still be there, that may point to negligence. A review of your operative report and post-op imaging is the way to tell whether the retained material was a planned part of your care or an error.
How long do I have to file a claim in Nevada?
Medical malpractice claims in Nevada follow their own deadline under state law, separate from the timeline for most other injury claims. Because a retained object is frequently hidden until symptoms surface, Nevada’s discovery rule can start your clock from when you learned — or reasonably should have learned — that something was left inside you, rather than the surgery date. The exact deadline depends on the specifics of your case, and missing it can end your right to sue entirely. Don’t assume you’ve run out of time based on a general rule you read online. A quick call to a Las Vegas medical malpractice attorney can confirm your actual deadline.
Talk to a Las Vegas hospital negligence lawyer before your window closes
If you’re in pain and something feels wrong after surgery, the worst thing you can do is wait and hope it resolves. A retained surgical item gets more dangerous the longer it stays, and your legal deadline is running in the background whether or not you know a claim exists.
Howard Injury Law was founded by attorney Glen Howard, who spent years on the insurance defense side before representing injured patients — so he knows exactly how hospitals and their insurers build a file to minimize these claims, and how to counter it. We handle Nevada medical malpractice and hospital negligence cases, we advance the expert costs that scare other firms off, and we work on contingency: no fee unless we win.
If you think an instrument or sponge was left inside you, contact us for a free, confidential case review. Bring your questions and your symptoms — we’ll help you figure out whether you have a case and how long you have to act.
