Sports MedicineKneeOutpatient

Partial Meniscectomy

Fellowship-trained sports medicine surgeons Christopher Raffo, MD, John Christoforetti, MD, and James Gardiner, MD perform partial meniscectomy with a tissue-sparing approach — removing only what is damaged while preserving every millimeter of healthy meniscus.

Duration: 30–45 minutesAnesthesia: General or regional

Schedule a Consultation

What is partial meniscectomy?

Partial meniscectomy is an outpatient arthroscopic procedure that removes only the torn, damaged portion of a meniscus — the knee's shock-absorbing cartilage pad — while preserving as much healthy tissue as possible. It takes 30 to 45 minutes under general or regional anesthesia and is the appropriate treatment when a meniscus tear cannot be repaired.

Why this approach — at MOS

We apply a "minimal resection" philosophy that differs from the historical approach to meniscectomy. Total or near-total meniscectomy — once common — is now understood to dramatically increase articular cartilage stress and accelerate arthritis; it is almost never performed in modern practice. At MOS, we remove only the mechanically unstable torn tissue and leave every millimeter of intact peripheral rim. When any portion of a tear is in the vascular zone, we give it every opportunity for repair before defaulting to resection.

We also take the time at every meniscectomy to evaluate the articular cartilage surfaces and treat any co-existing early cartilage lesions — microfracture, OATS, or biologic stimulation — when indicated, preventing those lesions from becoming problems requiring return to surgery.

Who is a candidate?

Indications

White-zone (avascular) tears not amenable to healing with repair
Complex, macerated, or irreparable tear patterns regardless of zone
Flap tears causing mechanical symptoms (catching, locking, giving way) that have failed conservative management
Degenerative horizontal cleavage tears in older or lower-demand patients where repair is not expected to succeed
Incidentally repaired tears not in the vascular zone during other knee procedures

Contraindications

Repairable peripheral (red-zone) tear — repair should always be attempted when healing is biologically feasible
Total absence of meniscus tissue (complete maceration) — no further resection indicated; consider reconstruction
Advanced tri-compartmental osteoarthritis where symptom relief is unlikely from meniscectomy alone
Asymptomatic tear found incidentally on imaging in a patient not seeking treatment

Conservative Treatment First

Many meniscus tears — particularly in patients over 40 with degenerative tears — respond to non-surgical management. For patients in Montgomery County presenting with knee pain and a meniscus tear on MRI, we begin with a supervised trial of physical therapy (quadriceps and hip strengthening to reduce joint load), activity modification, NSAIDs, and corticosteroid injection for pain control. Clinical trials have shown that physical therapy produces outcomes equivalent to arthroscopic partial meniscectomy in patients with degenerative tears and mild-to-moderate osteoarthritis at 2-year follow-up. Surgery is appropriate when symptoms are predominantly mechanical (locking, catching, giving way) or when a full course of conservative treatment has not provided adequate relief.

The procedure

What Is Partial Meniscectomy?

The meniscus performs critical functions: distributing load across the knee joint, providing stability, and nourishing articular cartilage. When a tear occurs in the inner avascular zone (the "white zone") of the meniscus, the tissue lacks the blood supply necessary to heal even if sutured together. Attempting repair in this zone leads to failure. In these cases, removing the unstable torn fragment — while preserving the healthy outer rim — relieves pain and mechanical symptoms while maintaining as much meniscal function as possible.

The goal in partial meniscectomy is always to remove the minimum amount of tissue necessary to achieve a stable, smooth meniscal contour. The outer rim of the meniscus — even a few millimeters — retains meaningful load-distribution function and should be preserved at all costs. This tissue-sparing philosophy is not merely aesthetic; every gram of preserved meniscus tissue reduces contact pressure on the articular cartilage.

What Happens During Partial Meniscectomy?

You arrive at the outpatient surgery center and are prepared for surgery with general or regional anesthesia. The procedure begins with small portal incisions around the knee for the arthroscope and instruments. The surgeon examines all joint surfaces before addressing the meniscus. Once the tear is identified and confirmed to be non-repairable, a motorized shaver is used to remove the unstable torn fragment, and a basket forceps trims the remaining edge to a smooth, stable contour. The entire resection is done with visual guidance through the arthroscope on a monitor.

The surgeon inspects the articular cartilage surfaces and any other structures before closing the small portal incisions with sutures or adhesive strips. The procedure takes 30–45 minutes. Most patients go home within 1–2 hours of completing surgery and are walking the same day.

Recovery timeline

Days 0–3

Ambulate with crutches as needed for comfort; many patients bear full weight the day of surgery. Ice and elevation for swelling.

Week 1–2

Return to light daily activities. Swelling and mild soreness typical. Physical therapy begins.

Week 2–6

Progressive strengthening and range of motion. Most patients walk without crutches by week 2. Light cycling and pool walking by week 4.

Month 1–3

Return to sport for most patients. Athletes with isolated meniscectomy frequently return to full sport within 4–6 weeks.

Partial meniscectomy has one of the fastest recoveries in knee surgery. Most patients are walking normally within days and return to desk work within 1 week. Physical therapy focuses on reducing swelling, restoring full range of motion, and rebuilding quadriceps strength. Return to pivoting sport typically occurs at 4–6 weeks for young athletes with isolated tears. Older patients or those with concurrent cartilage procedures may have longer timelines. MOS physical therapists guide recovery and coordinate directly with the surgical team.

Frequently Asked Questions

How is partial meniscectomy different from total meniscectomy?

Partial meniscectomy removes only the torn fragment while preserving the stable outer rim. Total meniscectomy removes the entire meniscus and is almost never performed today because the loss of all meniscal tissue dramatically increases articular cartilage stress and accelerates arthritis. Modern meniscus surgery is always partial — the goal is to preserve as much tissue as possible.

Will I need physical therapy after partial meniscectomy?

Physical therapy is recommended but typically brief — 4–6 weeks for most patients. The focus is on swelling reduction, restoring full range of motion, and rebuilding quadriceps strength. Some patients with excellent pre-operative strength do very well with a home exercise program and fewer formal therapy visits.

How soon can I return to sports after partial meniscectomy?

Most athletes return to full sport within 4–6 weeks of isolated partial meniscectomy. Return is guided by resolution of swelling, full range of motion, symmetric quadriceps strength, and absence of mechanical symptoms. Pivoting and cutting sports require functional testing before clearance.

What are the long-term effects of having part of my meniscus removed?

The meniscus protects articular cartilage by distributing load. Removing meniscal tissue — even partially — increases contact stress on the underlying cartilage. The more tissue removed, the greater the long-term risk of accelerated cartilage wear. This is why tissue-sparing surgery and post-operative joint protection (maintaining healthy weight, avoiding high-impact activities) matter. Most patients with limited resection go many years without significant arthritis progression.

Is there a risk the meniscus tear comes back after surgery?

The resected portion does not grow back, but the remaining meniscus tissue can develop new tears with future injury. A new acute tear of the remaining rim is treated like any new meniscus injury — evaluated for repair versus further resection depending on zone and pattern. Following post-operative guidance reduces but cannot eliminate this risk.