Tag Archives: cadaver

PUBLISHED: Coronal Approach (Cadaver)

Coronal Approach (Cadaver)
Felix L. Hong, DDSMark R. Rowan, MD, DDSR. John Tannyhill, III, MD, DDS, FACS
Harvard Medical School

For treatment of facial trauma such as a frontal sinus fracture, orbital fractures, or zygoma fractures, the coronal or bi-temporal approach is used. The approach can also be used for superficial temporal artery biopsy. This approach exposes the anterior cranial vault, forehead, and upper and middle regions of the facial skeleton including the zygomatic arch. It provides access to these areas with minimal complications and cosmetically acceptable hidden scars. The subperiosteal or subgaleal planes are commonly used for coronal flap dissection. This article presents a demonstration of the coronal approach to exposing the upper or middle facial skeleton in a cadaver.

PUBLISHED: Rotator Cuff Repair (Cadaver Shoulder)

Rotator Cuff Repair (Cadaver Shoulder)
Patrick Vavken, MD1Sabah Ali2
1Smith and Nephew Endoscopy Laboratory
2University of Central Florida College of Medicine

Rotator cuff tears represent the vast majority of shoulder disorders treated by orthopaedic surgeons. From partial-thickness tears in overhead throwing athletes to full-thickness tears in the elderly, the prevalence of rotator cuff tears continues to increase over time. While some cases are asymptomatic, most patients with rotator cuff tears report shoulder pain, limited range of motion, and nighttime pain with difficulty sleeping on the affected shoulder. When nonsurgical treatment is insufficient in relieving the symptoms, arthroscopic rotator cuff repair becomes a viable option for many patients.

This is the case of a rotator cuff repair of a full-thickness tear that extends into the infraspinatus on a cadaver shoulder in the beach chair position. The tear was repaired by placing an anchor, retrieving and passing three suture arms, and tying the suture. This article outlines the natural history, preoperative care, intraoperative technique, and postoperative considerations of rotator cuff repairs.

PUBLISHED: Ulnar Nerve Transposition (Cadaver)

Ulnar Nerve Transposition (Cadaver)
Irene Kalbian; Asif M. Ilyas, MD, MBA, FACS
Rothman Institute

Ulnar nerve transposition is a surgical procedure performed to treat ulnar nerve compression of the elbow, also known as cubital tunnel syndrome. This procedure is utilized after both non-operative management and in situ decompression fails, or if these procedures are deemed inappropriate based on patient pathology or ulnar nerve instability.

Transposition of the ulnar nerve involves not only decompression of the nerve but also its anterior repositioning to reduce compression and irritation while maintaining nerve integrity. This video demonstrates, on a cadaver arm, the operative technique for performing an ulnar nerve transposition using either a subcutaneous or a submuscular technique.

PREPRINT RELEASE: Temporal Bone Dissection (Cadaver)

Temporal Bone Dissection (Cadaver)
Cranial Access, Neuroanatomy, and ENT Surgery (CANES) Lab

C. Scott Brown, MD
Neurotology & Lateral Skull Base Surgery Fellow
University of Miami Miller School of Medicine

Cadaveric dissections of the temporal bone are a critical part of learning otologic surgery in residency. Dr. Scott Brown, neurotology fellow at the University of Miami, performs a step-by-step dissection of the temporal bone. He outlines key anatomical structures and describes safe and efficient techniques for these procedures.

PUBLISHED: Cubital Tunnel Release (Cadaver)

Cubital Tunnel Release

Asif M. Ilyas, MD
Professor of Orthopaedic Surgery
Program Director of Hand Surgery
Rothman Institute, Thomas Jefferson University

Cubital tunnel syndrome is a condition that affects the ulnar nerve as it crosses the medial elbow through the retrocondylar groove. It is the second most common compressive neuropathy, causing tingling and numbness in the ring and small fingers. In advanced cases of symptomatic cubital tunnel syndrome, weakness, altered dexterity, and atrophy of the intrinsic muscles of the hand may develop. Cubital tunnel syndrome can be treated with either a cubital tunnel release or an ulnar transposition. In this case, the former is demonstrated on a cadaveric arm using the mini-open technique.

PUBLISHED: Carpal Tunnel Release (Cadaver)

Carpal Tunnel Release (Cadaver)

Asif M. Ilyas, MD
Professor of Orthopaedic Surgery
Program Director of Hand Surgery
Rothman Institute, Thomas Jefferson University

Carpal tunnel syndrome (CTS) is the most common peripheral compression neuropathy and results in symptoms of numbness and paresthesia in the thumb, index finger, middle finger, and half of the ring finger. When CTS symptoms progress and can no longer be managed with nonoperative measures, carpal tunnel release (CTR) surgery is indicated.

In this case, Dr. Asif Ilyas at the Rothman Institute performs CTR surgery on a cadaveric arm via the mini-open CTR technique. A 2-cm longitudinal incision was placed directly over the carpal tunnel, the transverse carpal ligament was exposed and then released, and the wound was closed. Patients are typically sent home with instructions to use their hand immediately postoperatively, while avoiding strenuous use until the incision has healed. Splinting and therapy are not required postoperatively.


PREPRINT RELEASE: Carotid Endarterectomy (Cadaver)


Carotid Endarterectomy (Cadaver)
Harvard Medical School

Samuel Schwartz, MD
Assistant Professor of Surgery
Massachusetts General Hospital

Laura Boitano, MD
Resident Physician
Massachusetts General Hospital

In this case, Dr. Schwartz and Dr. Boitano demonstrate a carotid endarterectomy on a cadaver at Harvard Medical School.

PREPRINT RELEASE: Left First Toe Amputation (Ray)


Left First Toe Amputation (Ray)
Harvard Medical School

Samuel Schwartz, MD
Assistant Professor of Surgery
Massachusetts General Hospital

Laura Boitano, MD
Resident Physician
Massachusetts General Hospital

In this case, Dr. Schwartz and Dr. Boitano perform a cadaveric demonstration of a first left toe ray amputation at Harvard Medical School.

PREPRINT RELEASE: Coronal Approach (Cadaver)


Coronal Approach (Cadaver)
Harvard Medical School

R. John Tannyhill, III, MD, DDS, FACS
Instructor in Oral and Maxillofacial Surgery
Massachusetts General Hospital

Mark Rowan, MD, DDS
Resident Physician
Massachusetts General Hospital

This case presents a cadaveric demonstration of the coronal approach to exposing the upper or middle facial skeleton. This approach is commonly used when treating facial trauma such as frontal sinus fractures, orbital fractures, and zygoma fractures, as well as when taking a superficial temporal artery biopsy.

PREPRINT RELEASE: Submandibular Approach to the Mandible (Cadaver)


Submandibular Approach to the Mandible (Cadaver)
Harvard Medical School

R. John Tannyhill, III, MD, DDS, FACS
Instructor in Oral and Maxillofacial Surgery
Massachusetts General Hospital
Harvard Medical School

Mark Rowan, MD, DDS
Resident Physician
Massachusetts General Hospital
Harvard Medical School

This case presents a cadaveric demonstration of the submandibular approach to the mandible, which can be used in cases involving osteomyelitis, the management of fractures, or pathology of the mandible or submandibular gland.