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Article: Recurrent Ameloblastoma Involving Fibula Neo-mandible: Management with Digital Planning and Reconstruction Using a Contralateral Free Fibula Flap.

Beecher, Suzanne M / Lennon, Paul / O'Shaughnessy, Michael / Barry, Conor P

2020 Volume 12, Issue 4, Page(s) e7880

Abstract: Ameloblastoma is a locally aggressive tumor that most commonly arises in the mandible. It has a high rate of recurrence if inadequately excised. We report a case of a patient who developed recurrence of his ameloblastoma in his fibula flap mandibular ... ...

Abstract	Ameloblastoma is a locally aggressive tumor that most commonly arises in the mandible. It has a high rate of recurrence if inadequately excised. We report a case of a patient who developed recurrence of his ameloblastoma in his fibula flap mandibular reconstruction despite clear resection margins 23 years after resection. This is the first reported case of recurrent ameloblastoma in a neo-mandible reconstruction in the setting of negative margins. We discuss its surgical management using digital planning and reconstruction using a contralateral free fibula flap. Ameloblastoma is a locally aggressive entity that requires complete excision. Recurrence can even occur in the reconstruction, which can present a challenge to manage. Consideration should be given to repeat excision and second osseous flap reconstruction.
Language	English
Publishing date	2020-04-29
Publishing country	United States
Document type	Case Reports
ZDB-ID	2747273-5
ISSN	2168-8184
ISSN	2168-8184
DOI	10.7759/cureus.7880
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Article ; Online: Tailored approach to oromandibular reconstruction in patients with compromised lower limb vessels.

Barry, Conor P / Brown, James / Hanlon, Rebecca / Shaw, Richard

Head & neck

2017 Volume 39, Issue 5, Page(s) 916–920

Abstract: Background: The purpose of this study was to compare outcomes for segmental reconstruction of the mandible between patients who underwent reconstruction with a fibula flap (group 1), and those with an alternative osseous free flap in which the fibula ... ...

Abstract	Background: The purpose of this study was to compare outcomes for segmental reconstruction of the mandible between patients who underwent reconstruction with a fibula flap (group 1), and those with an alternative osseous free flap in which the fibula flap was unsuitable either for defect reasons (group 2) or in which the fibula flap could not safely be harvested because of compromised leg vessels (group 3). Methods: One hundred fifty-two patients who underwent osseous free flap reconstruction of a mandibular segmental defect between January 2008 and June 2014 were identified from operating records. Outcomes between groups was compared. Results: The flap success rate was 97% and the late recipient-site complication rate was 19%. There was no difference in flap success or complication rates between groups. Conclusion: Bony reconstruction of the mandible can be achieved with no compromise in flap success even where preoperative vascular studies or the nature of the defect deem the fibula unsuitable. © 2017 Wiley Periodicals, Inc. Head Neck 39: 916-920, 2017.
Language	English
Publishing date	2017-05
Publishing country	United States
Document type	Journal Article
ZDB-ID	645165-2
ISSN	1097-0347 ; 0148-6403 ; 1043-3074
ISSN (online)	1097-0347
ISSN	0148-6403 ; 1043-3074
DOI	10.1002/hed.24709
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Article: Superior border plating technique in the management of isolated mandibular angle fractures: a retrospective study of 50 consecutive patients.

Barry, Conor P / Kearns, Gerard J

Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons

2007 Volume 65, Issue 8, Page(s) 1544–1549

Abstract: Purpose: To determine the complication rate for patients presenting with isolated mandibular angle fractures treated by open reduction and internal fixation using a single superior border miniplate technique.: Patients and methods: This is a ... ...

Abstract	Purpose: To determine the complication rate for patients presenting with isolated mandibular angle fractures treated by open reduction and internal fixation using a single superior border miniplate technique. Patients and methods: This is a retrospective study of consecutive patients with isolated mandibular angle fractures treated using a specific protocol at a Regional Oral and Maxillofacial Department between January 1998 and December 2004. Patient demographics, fracture etiology, length of hospital stay, removal of third molar, and postoperative complications were recorded. Preoperative and postoperative inferior alveolar nerve function was recorded. Objective sensory testing and patient interviews were conducted to determine the incidence of postoperative sensory deficit. Results: The study population included 50 patients presenting with isolated mandibular angle fractures, 6 patients (12%) experienced complications requiring bone plate removal. These complications were minor and occurred after fracture healing as follows: 4 patients (8%) experienced superficial soft tissue infection associated with the bone plate, treated with oral antibiotics, 1 patient (2%) experienced bone plate exposure, and a further patient (2%) presented with a fractured bone plate. All 6 patients (12%) were treated by bone plate removal under general anesthesia as elective day case surgery. Thirty-nine (78%) patients had long-term sensory follow-up, mean 37 months (2 to 84 months). Permanent inferior alveolar sensory deficit (>12 months) was present in 4 (8%). Five of 26 (19%) patients with normal postinjury/preoperative sensory function had a postoperative sensory deficit. All patients in this group reported recovery of normal sensation within 6 months. Conclusions: The results of this study suggest that the complication rates associated with the treatment of isolated mandibular angle fractures using a superior border plating technique, in this patient population, is relatively low (12%). The complications were all minor in nature. There was a permanent (>12 months) inferior alveolar sensory deficit in 4 (8%) patients.
MeSH term(s)	Adolescent ; Adult ; Bone Plates ; Female ; Fracture Fixation, Internal/adverse effects ; Fracture Fixation, Internal/methods ; Humans ; Male ; Mandibular Fractures/surgery ; Mandibular Nerve/physiology ; Postoperative Complications/classification ; Postoperative Complications/etiology ; Retrospective Studies ; Sensation Disorders/etiology ; Surgical Wound Infection/etiology ; Treatment Outcome ; Trigeminal Nerve Injuries
Language	English
Publishing date	2007-08
Publishing country	United States
Document type	Journal Article
ZDB-ID	392404-x
ISSN	1531-5053 ; 0278-2391
ISSN (online)	1531-5053
ISSN	0278-2391
DOI	10.1016/j.joms.2006.10.069
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Article ; Online: Postoperative radiotherapy for patients with oral squamous cell carcinoma with intermediate risk of recurrence: A case match study.

Barry, Conor P / Wong, Daniel / Clark, Jonathan R / Shaw, Richard J / Gupta, Ruta / Magennis, Patrick / Triantafyllou, Asterios / Gao, Kan / Brown, James S

Head & neck

2017 Volume 39, Issue 7, Page(s) 1399–1404

Abstract: Background: The purpose of this study was to determine the effect of postoperative radiotherapy (PORT) on recurrence and survival in patients with oral squamous cell carcinoma (OSCC) of intermediate recurrence risk.: Methods: Intermediate risk ... ...

Abstract	Background: The purpose of this study was to determine the effect of postoperative radiotherapy (PORT) on recurrence and survival in patients with oral squamous cell carcinoma (OSCC) of intermediate recurrence risk. Methods: Intermediate risk patients, defined as pT1, pT2, pN0, or pN1 with at least one adverse pathological feature (eg, lymphovascular/perineural invasion), were identified from the head and neck databases of the Liverpool Head and Neck Cancer Unit and the Sydney Head and Neck Cancer Institute. Patients who received surgery and PORT were case matched with patients treated by surgery alone based on pN, pT, margins, and pathological features. Results: Ninety patients were matched into 45 pairs. There was significant improvement (P = .039) in locoregional control with PORT (84%) compared with surgery alone (60%), which was concentrated in the pN1 subgroup (P = .036), but not the pN0 subgroup (P = .331). Conclusion: PORT significantly improves locoregional control for intermediate risk OSCC.
MeSH term(s)	Aged ; Carcinoma, Squamous Cell/mortality ; Carcinoma, Squamous Cell/radiotherapy ; Carcinoma, Squamous Cell/surgery ; Case-Control Studies ; Databases, Factual ; Disease-Free Survival ; Female ; Follow-Up Studies ; Humans ; Kaplan-Meier Estimate ; Male ; Middle Aged ; Mouth Neoplasms/mortality ; Mouth Neoplasms/radiotherapy ; Mouth Neoplasms/surgery ; Neoplasm Recurrence, Local/epidemiology ; Neoplasm Recurrence, Local/pathology ; Radiotherapy, Adjuvant ; Reference Values ; Retrospective Studies ; Risk Assessment ; Survival Analysis ; Treatment Outcome
Language	English
Publishing date	2017
Publishing country	United States
Document type	Comparative Study ; Journal Article
ZDB-ID	645165-2
ISSN	1097-0347 ; 0148-6403 ; 1043-3074
ISSN (online)	1097-0347
ISSN	0148-6403 ; 1043-3074
DOI	10.1002/hed.24780
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Article: Case report--odontogenic keratocysts: enucleation, bone grafting and implant placement: an early return to function.

Barry, Conor P / Kearns, Gerard J

Journal of the Irish Dental Association

2003 Volume 49, Issue 3, Page(s) 83–88

Abstract: The odontogenic keratocyst (OKC) is a developmental odontogenic cyst accounting for approximately 3%-17% of cysts of the jaws. This is an uncommon lesion both clinically and pathologically because of the unusual growth pattern and high tendency for ... ...

Abstract	The odontogenic keratocyst (OKC) is a developmental odontogenic cyst accounting for approximately 3%-17% of cysts of the jaws. This is an uncommon lesion both clinically and pathologically because of the unusual growth pattern and high tendency for recurrence. The recommended surgical management of the lesion varies from marsupialisation to en bloc resection. In the treatment of a large mandibular OKC, enucleation and immediate bone grafting maintains mandibular integrity, reduces the risk of pathological fracture permits restoration of function with implant-supported prostheses. We recommend the following protocol in the management of large mandibular OKC: 1. Biopsy of the lesion. 2. CT scans in axial and coronal planes. 3. Enucleation of the cyst and removal of the associated teeth. 4. The excision of the overlying mucosa. 5. Immediate mandibular reconstruction with a corticocancellous iliac crest bone graft. 6. Placement of endosseous implants four months following bone grafting. 7. Reconstruction of the dentition six months following implant placement.
MeSH term(s)	Adult ; Bone Transplantation ; Dental Implantation, Endosseous ; Dental Implants ; Humans ; Keratins ; Male ; Mandible/diagnostic imaging ; Mandible/surgery ; Mandibular Diseases/diagnostic imaging ; Mandibular Diseases/rehabilitation ; Mandibular Diseases/surgery ; Odontogenic Cysts/diagnostic imaging ; Odontogenic Cysts/rehabilitation ; Odontogenic Cysts/surgery ; Oral Surgical Procedures ; Tomography, X-Ray Computed
Chemical Substances	Dental Implants ; Keratins (68238-35-7)
Language	English
Publishing date	2003
Publishing country	Ireland
Document type	Case Reports ; Journal Article
ZDB-ID	603659-4
ISSN	0021-1133
ISSN	0021-1133
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Article: Osteomyelitis of the maxilla secondary to osteopetrosis: report of a case.

Barry, Conor P / Ryan, C David

Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics

2003 Volume 95, Issue 1, Page(s) 12–15

Abstract: Osteomyelitis of the maxilla is extremely rare. When it occurs, there is invariably an underlying predisposing condition. We describe a 28-year-old woman whose presentation with osteomyelitis of the maxilla led to a diagnosis of generalized osteopetrosis. ...

Abstract	Osteomyelitis of the maxilla is extremely rare. When it occurs, there is invariably an underlying predisposing condition. We describe a 28-year-old woman whose presentation with osteomyelitis of the maxilla led to a diagnosis of generalized osteopetrosis.
MeSH term(s)	Adult ; Female ; Humans ; Maxillary Diseases/diagnostic imaging ; Maxillary Diseases/etiology ; Osteomyelitis/diagnostic imaging ; Osteomyelitis/etiology ; Osteopetrosis/complications ; Radiography, Panoramic ; Tomography, X-Ray Computed
Language	English
Publishing date	2003-01
Publishing country	United States
Document type	Case Reports ; Journal Article
ZDB-ID	202468-8
ISSN	1528-395X ; 1079-2104 ; 0030-4220
ISSN (online)	1528-395X
ISSN	1079-2104 ; 0030-4220
DOI	10.1067/moe.2003.25
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Article ; Online: Anatomical study of factors contributing to zygomatic complex fracture instability in human cadavers.

Barry, Conor P / Ryan, William J / Stassen, Leo F A

Plastic and reconstructive surgery

2007 Volume 119, Issue 2, Page(s) 637–40; discussion 641

Abstract: Background: Stable reduction of fractures of the zygomatic complex is essential to avoid long-term aesthetic, sensory, and ocular consequences. Delayed collapse or relapse after reduction of fractures of the zygomatic complex is attributed to muscle ... ...

Abstract	Background: Stable reduction of fractures of the zygomatic complex is essential to avoid long-term aesthetic, sensory, and ocular consequences. Delayed collapse or relapse after reduction of fractures of the zygomatic complex is attributed to muscle forces, when there has been no additional trauma. A number of studies have identified the masseter muscle as a contributor, but none has described the role of the temporalis muscle. Methods: The origins of the temporalis muscle were examined in six cadaveric dissections. The temporal and zygomatic regions were exposed through a temporoparietal flap. Bone cuts were made above and below the frontozygomatic suture in the lateral orbital margin. The lateral orbital margin was then fractured and reflected laterally on its periosteum so that muscle attachments could be seen clearly. Results: In all six dissections, the authors found that the temporalis muscle took origin not only from the floor of the temporal fossa and temporalis fascia but also from the lateral margin of the orbit and the frontal process of the zygomatic bone as far down as the body of the zygoma. Conclusions: The authors postulate that the functional forces exerted by this muscle on the zygomatic complex cause postoperative distraction at the frontozygomatic suture. The authors' findings provide further anatomical evidence to support internal fixation of all fractures of the zygomatic complex, even those that are considered clinically stable, if permanent flattening of the cheekbone is to be avoided.
MeSH term(s)	Cadaver ; Fracture Fixation, Internal ; Humans ; Temporal Muscle/anatomy & histology ; Zygoma/anatomy & histology ; Zygomatic Fractures/surgery
Language	English
Publishing date	2007-02
Publishing country	United States
Document type	Journal Article
ZDB-ID	208012-6
ISSN	1529-4242 ; 0032-1052 ; 0096-8501
ISSN (online)	1529-4242
ISSN	0032-1052 ; 0096-8501
DOI	10.1097/01.prs.0000239565.82612.56
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Article ; Online: Anatomical study of factors contributing to zygomatic complex fracture instability in human cadavers.

Barry, Conor P / Ryan, William J / Stassen, Leo F

Plastic and reconstructive surgery

2007 Volume 120, Issue 6, Page(s) 1743

MeSH term(s)	Cadaver ; Humans ; Zygomatic Fractures/surgery
Language	English
Publishing date	2007-06-27
Publishing country	United States
Document type	Letter
ZDB-ID	208012-6
ISSN	1529-4242 ; 0032-1052 ; 0096-8501
ISSN (online)	1529-4242
ISSN	0032-1052 ; 0096-8501
DOI	10.1097/01.prs.0000291610.37337.0f
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Article: Osteomyelitis of the maxilla secondary to osteopetrosis: a report of 2 cases in sisters.

Barry, Conor P / Ryan, C David / Stassen, Leo F A

Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons

2007 Volume 65, Issue 1, Page(s) 144–147

MeSH term(s)	Adult ; Bone Resorption/etiology ; Female ; Humans ; Maxillary Diseases/etiology ; Oroantral Fistula/etiology ; Osteomyelitis/etiology ; Osteopetrosis/genetics
Language	English
Publishing date	2007-01
Publishing country	United States
Document type	Case Reports ; Journal Article
ZDB-ID	392404-x
ISSN	1531-5053 ; 0278-2391
ISSN (online)	1531-5053
ISSN	0278-2391
DOI	10.1016/j.joms.2005.07.019
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Article ; Online: Influence of surgical margins on local recurrence in T1/T2 oral squamous cell carcinoma.

Barry, Conor P / Ahmed, Ferhan / Rogers, Simon N / Lowe, Derek / Bekiroglu, Fazilet / Brown, James S / Shaw, Richard J

Head & neck

2015 Volume 37, Issue 8, Page(s) 1176–1180

Abstract: Background: The purpose of this study was to explore the significance of resection margin status on local recurrence and survival for early (T1/T2) oral cancer and to determine if the significance of the resection margin varies with the biological ... ...

Abstract	Background: The purpose of this study was to explore the significance of resection margin status on local recurrence and survival for early (T1/T2) oral cancer and to determine if the significance of the resection margin varies with the biological aggression of the tumor as determined by pN status. Methods: The influence of resection margin size and local recurrence for 295 patients with pT1/T2 oral cavity squamous cell carcinomas (SCCs) treated by primary surgery, including neck dissection, between 1998 and 2010 was analyzed. Results: Overall, there was a trend toward increased local recurrence with close or involved margins. When stratified according to nodal status, there was no relationship between margin size and local recurrence for the pN0 group. Conclusion: The size of the resection margin does not seem to influence local control in stage I/II oral cancer. With future advances in preoperative neck staging, this data may help plan personalized therapy in head and neck cancer.
MeSH term(s)	Aged ; Carcinoma, Squamous Cell/pathology ; Carcinoma, Squamous Cell/surgery ; Disease-Free Survival ; Female ; Follow-Up Studies ; Humans ; Male ; Middle Aged ; Mouth Neoplasms/pathology ; Mouth Neoplasms/surgery ; Neck Dissection ; Neoplasm Recurrence, Local/prevention & control ; Neoplasm Staging ; Retrospective Studies
Language	English
Publishing date	2015-08
Publishing country	United States
Document type	Journal Article
ZDB-ID	645165-2
ISSN	1097-0347 ; 0148-6403 ; 1043-3074
ISSN (online)	1097-0347
ISSN	0148-6403 ; 1043-3074
DOI	10.1002/hed.23729
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