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Questions (218)

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Cases (2)

Videos (7)

Question

A 55-year-old right-hand dominant male is undergoing excisio...

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Hand
- Giant Cell Tumor of Tendon Sheath

Relevance score: 53

In thumb base osteoarthritis structural damage is more strongly associated with pain than synovitis.

General

A 60-year-old man has had intermittent pain in his right great toe for the past 2 years. What is the most likely cause for the lesions shown in Figure A?

Basic Science
- Gout

Relevance score: 53

L 2

A 60-year-old man has had intermittent pain in his right great toe for the past 2 years. What is the most likely cause for the lesions shown in Figure A?

Basic Science
- Gout

A 29-year-old male presents with deep pain in the ball of th...

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Pathology
- Synovial Sarcoma

Relevance score: 53

Question

A 50-year-old male patient returns to the office, 4 months after left anatomic total shoulder arthroplasty, complaining of persistent stiffness and worsening pain in the operative shoulder. He reports that the shoulder remained stiff and painful postoperatively despite 3 months of physical therapy. Plain radiographs demonstrate radiolucencies around the glenoid component. The next step in this patient’s work-up is:

Shoulder & Elbow
- Total Shoulder Arthroplasty

Relevance score: 53

Question

A 50-year-old male with a history of gout presents to the emergency department with two days of worsening atraumatic right knee pain, swelling, and erythema. He reports a low-grade fever at home that is subjective, along with a progressively worsening arc of motion due to pain. On examination, he has an effusion with limited range of motion. His right knee fluid is aspirated and sent for synovial fluid analysis (SFA). Which of the following options below would indicate an isolated gout flare suitable for discharge on NSAIDs and allopurinol later for future prophylaxis?

Basic Science
- Gout

A 64-year-old woman returns to the clinic 4 weeks after a primary total knee arthroplasty. She complains of increasing knee pain, swelling, warmth, and decreased range of motion. Laboratory studies are performed, demonstrating an ESR of 38 mm/hr and a CRP of 115 mg/L. Based on this information, the surgeon elects to aspirate her knee. The aspirate yields cloudy fluid, a WBC count of 42,000 cells/µL, and 91% neutrophils. Which of the following is the most accurate diagnosis?

Recon
- Prosthetic Joint Infection

Relevance score: 53

Approach to septic arthritis.

Diane Lewis Horowitz,

Elena Katzap,

Scott Horowitz,

Maria-Louise Barilla-LaBarca

Trauma
- Septic Arthritis - Adult

Diane Lewis Horowitz, AFP 2011

Relevance score: 52

68 responses

Diagnosis of Periprosthetic Infection: Novel Developments.

Laura Matsen Ko,

Javad Parvizi

General

Laura Matsen Ko, OCNA 2016

Relevance score: 52

0 responses

Knee Imaging

Knee & Sports

Relevance score: 52 / Absolute Importance: 3

6/16/2021

4.0

(79)

Congenital Trigger Thumb

Hand

Relevance score: 52 / Absolute Importance: 17

8/25/2024

4.3

(59)

Pigmented villonodular synovitis: keys to early diagnosis.

M A Bhimani,

J F Wenz,

F J Frassica

Pathology
- Pigmented Villonodular Synovitis

M A Bhimani, CORR 2001

Relevance score: 51

24 responses

Cysts and other masses about the knee: identifying and treating common and rare lesions.

W D Yu,

M S Shapiro

General

W D Yu, 1999

Relevance score: 51

4 responses

Hip Arthroscopy: Labral Reconstruction - Double Bundle Technique Using a Gracilis Tendon Autograft

Shoulder & Elbow

Are Nucleated Cell Counts Useful in the Diagnosis of Infection in Periprosthetic Fracture?

General

Stephen Preston, CORR 2015

Relevance score: 51

4 responses

Systematic Review of the Surgical Outcomes of Elbow Plicae.

General

In-Ho Jeon, Orthop J Sports Med. 2020

Relevance score: 51

8 responses

Elbow monoarthritis: an atypical onset of juvenile idiopathic arthritis.

Basic Science
- Juvenile Idiopathic Arthritis

General
- Other Pathology Topics

Daniel Fritschy, KSSTA 2006

Relevance score: 50

0 responses

Articular Cartilage: Injury Pathways and Treatment Options.

Timothy M Simon,

Douglas W Jackson

Knee & Sports
- Articular Cartilage Defects of Knee

Timothy M Simon, 2018

Relevance score: 50

8 responses

Diagnosing Infection in the Setting of Periprosthetic Fractures.

Recon
- THA Periprosthetic Fracture

Roshan P Shah, JARTHO 2016

Relevance score: 50

32 responses

The Impact of α-Defensin Test in Diagnosing Periprosthetic Infection After Total Ankle Arthroplasty.

Foot & Ankle
- Total Ankle Arthroplasty

Darius M Thiesen, F 2019

Relevance score: 49

0 responses

Knee Arthroscopy

Approaches

Relevance score: 49 / Absolute Importance: 4

The middle genicular artery is the primary blood supply of which of the following structures?

Knee & Sports
- ACL Tear

Relevance score: 49

How To Diagnose and Treat Infection in Total Ankle Arthroplasty.

Foot & Ankle
- Total Ankle Arthroplasty

Yousef Alrashidi, FACNA 2017

Relevance score: 49

0 responses

The 2013 Frank Stinchfield Award: Diagnosis of infection in the early postoperative period after total hip arthroplasty.

Recon
- Prosthetic Joint Infection

Paul H Yi, CORR 2014

Relevance score: 49

4 responses

What Markers Best Guide the Timing of Reimplantation in Two-stage Exchange Arthroplasty for PJI? A Systematic Review and Meta-analysis.

Recon

Yong Seuk Lee, CORR 2018

Relevance score: 49

16 responses

Elbow Arthritis

Shoulder & Elbow

Relevance score: 49 / Absolute Importance: 6

11/25/2024

4.1

(77)

Snapping plicae associated with radiocapitellar chondromalacia.

S A Antuna,

S W O'Driscoll

Shoulder & Elbow
- Osteochondritis Dissecans of Elbow

S A Antuna, ASCOPY 2001

Relevance score: 49

8 responses

L 2

A 29-year-old male presents with deep pain and swelling of the right foot. He first noticed pain and swelling 1 year ago, which has been steadily increasing over this time. He denies any recent trauma, travel or systemic symptoms. A radiograph of the foot is shown in Figure A. Figures B and C show images of an MRI scan of the right foot. A biopsy was performed as shown in Figure D. What is the most likely diagnosis?

Pathology
- Synovial Sarcoma

Relevance score: 48

CoNextions TR® Tendon Repair System

Implants

Hip Magnetic Resonance Imaging

Recon

Kingella kingae septic arthritis in children: recognising an elusive pathogen.

Nicole Williams,

Celia Cooper,

Peter Cundy

Pediatrics
- Hip Septic Arthritis - Pediatric

Nicole Williams, JCO 2014

Relevance score: 48

0 responses

[Septic arthritis: a 12 years retrospective study in a rheumatological university clinic].

Trauma
- Septic Arthritis - Adult

Foot & Ankle

Relevance score: 48 / Absolute Importance: 15

A 58-year-old woman has left knee pain. She states the pain...

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Pathology
- Pigmented Villonodular Synovitis

Relevance score: 48

Question

A 25-year-old female lacrosse player presents to the sports ...

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Knee & Sports
- Femoroacetabular Impingement (FAI)

Relevance score: 48

Microcervical Foraminotomy for Cervical Juxtafacet Cysts: Case Series and Literature Review.

Spine
- Cervical Myelopathy

A 51-year-old male presents with worsening left hip pain ove...

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Recon
- Hip Resurfacing

A 76-year-old female presents with right hip pain 6 years af...

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Recon
- Prosthetic Joint Infection

What is the most common location for localized p...

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Pathology
- Pigmented Villonodular Synovitis

Relevance score: 47

Incidence of Cutibacterium acnes in open shoulder surgery.

General

Yukihiro Kajita, 2021

Relevance score: 47

4 responses

L 3

A 31-year-old patient has had activity related lateral ankle pain for 4 months. She underwent the procedure shown in Figure A approximately 8 months ago. What surgical technique has most likely resulted in this patients pain?

Trauma
- Ankle Fractures

Relevance score: 47

Snapping Hip (Coxa Saltans)

Knee & Sports

Relevance score: 47 / Absolute Importance: 12

6/1/2021

4.3

(96)

Prevention and treatment of elbow stiffness.

Approaches
- Elbow Medial Approach

Peter J Evans, JHS 2009

Relevance score: 47

0 responses

hip septic arthritis procedure, done by senior pediatric surgeon using anterior approach ( hueter )

Pediatrics
- Hip Septic Arthritis - Pediatric

Short Segment of Remaining Bone in 32F (C102628)

Pathology
- Conventional Intramedullary Osteosarcoma

A 67-year-old female with Rheumatoid Arthritis presents with...

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Spine
- Rheumatoid Cervical Spondylitis

Relevance score: 46

The role of type X collagen in facilitating and regulating endochondral ossification of articular cartilage.

G Shen

Basic Science
- Fracture Healing

G Shen, 2005

Relevance score: 46

4 responses

Current Recommendations for the Diagnosis of Acute and Chronic PJI for Hip and Knee-Cell Counts, Alpha-Defensin, Leukocyte Esterase, Next-generation Sequencing.

Karan Goswami,

Javad Parvizi,

P Maxwell Courtney

Recon
- Prosthetic Joint Infection

Karan Goswami, MSKM 2018

Relevance score: 46

8 responses

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