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Textbook of Pterygium Management
Namrata Sharma, Tushar Agarwal, Shikha Gupta
SECTION I: PTERYGIUM: WHAT, WHY AND WHEN?
CHAPTER 1:
Etiopathogenesis of Pterygium
Ultraviolet Radiations
Angiogenesis and Inflammation
Lymphangiogenesis
Tumorigenesis
Genetics
Viruses and Other Infective Agents
Others
Risk Factors
Other Environmental Factors
Smoking
Age
Gender
Race
Socioeconomic Status, Area of Residence and Educational Status
Outdoor Activity
Systemic Risk Factors
Ocular Factors
Conclusions
CHAPTER 2:
Workup of a Case of Pterygium
Introduction
Clinical history taking in a case of pterygium
History of Present Illness
History of Past Medical Illness
History of Past Surgery
Occupational History
Environmental History
Socioeconomic Status and Education Profile
Clinical Examination in a Case of Pterygium
Investigations
Deciding when to Operate
Counseling Patient Regarding Expectations from Pterygium Excision
SECTION II: SURGICAL MANAGEMENT OF PTERYGIUM
CHAPTER 3:
Pterygium Excision with Conjunctival Autografting Using Glue
Indications
Advantages and Disadvantages
Surgical Procedure
Anesthesia
Graft Preparation
Graft Attachment
Postoperative Advice
Outcomes
Conclusion
CHAPTER 4:
Pterygium Excision with Conjunctival Autograft (Suture Technique)
Introduction
Technique
Results
Complications
Conclusion
CHAPTER 5:
Conjunctival Excision and Extended Tenectomy with Conjunctival Autograft for Primary Pterygium
Introduction
Indications
Current Role
Surgical steps for CRATER technique
Anesthesia
Pterygium Excision and Extended Tenectomy
Graft Preparation
Graft Attachment
Postoperative Advice
Outcomes
Conclusion
CHAPTER 6:
Pterygium Excision with Inferior Conjunctival Autografting
INTRODUCTION
INDICATIONS
CURRENT ROLE
OUTCOMES
SURGICAL TECHNIQUE
Anesthesia
Inferior Conjunctival Graft Preparation
Graft Attachment
Postoperative Advice
CONCLUSION
CHAPTER 7:
Pterygium Excision with Narrow-stripConjunctival Autograft
Introduction
Indications
Outcomes
Surgical Technique
conclusion
CHAPTER 8:
Conjunctival Excision with Autograft Using Sandwich Technique
Introduction
Indications
Current Role
Outcomes
Surgical Technique
Anesthesia
Surgery
Pterygium Excision (Fig. 8.1)
Graft Preparation (Figs 8.2 and 8.3)
Graft Attachment
Postoperative Advice
Conclusion
CHAPTER 9:
Pterygium Surgery withAutograft Affixation Using Blood
Introduction
Indications
Current role
Outcomes
Surgical technique
Anesthesia
Bed Preparation
Graft Preparation
Graft Attachment
Postoperative Advice
Conclusion
CHAPTER 10:
Pterygium Excision by Mini-flap Technique
INTRODUCTION
INDICATIONS
CURRENT ROLE
OUTCOMES
SURGICAL TECHNIQUE
Anesthesia
Removal of Pterygium
Flap Formation
Fibrin Glue Use in the ModifiedGlued-Mini-Flap Technique
Postoperative Advice
CONCLUSION
CHAPTER 11:
Conjunctival Excision with Amniotic Membrane Grafting with or without Sutures
INTRODUCTION
RATIONALE FOR USE
INDICATIONS
SURGICAL TECHNIQUE
Anesthesia
Exposure/Stabilization of the Globe
Excision of Pterygium
Amniotic Membrane Transplantation
Postoperative Care
COMPLICATIONS
OUTCOMES
Conclusion
CHAPTER 12:
Minor Ipsilateral Simple LimbalEpithelial Transplantation
Introduction
Principle of mini-SLET
Advantages
INDICATIONS
SURGICAL TECHNIQUE
Anesthesia
Graft Preparation
Graft Attachment
Postoperative Advice
Outcomes
Conclusion
CHAPTER 13:
Antimetabolites in Pterygium Management
INDICATIONS
CONTRAINDICATIONS
Advantages and Disadvantages
Outcomes
PREPARATION AND USES
Preoperatively
Intraoperatively
Postoperatively
CONCLUSION
INDICATIONS
CONTRAINDICATIONS
ADVANTAGES AND DISADVANTAGES
OUTCOMEs
PREPARation AND USEs
Intraoperatively
Postoperatively
CONCLUSION
CHAPTER 14:
Antivascular Endothelial Growth Factor Agents
INDICATIONs
CONTRAINDICATIONS
ADVANTAGES AND DISADVANTAGES
OUTCOMES
Preparation AND USEs
Conclusion
CHAPTER 15:
Adjunctive Therapy in Pterygium Management
BETA IRRADIATION
Indications
Contraindications
Advantages and Disadvantages
Outcome
Uses
Conclusion
INTERFERON ALPHA- 2b (IFN α-2b)
Indications
Contraindications
Advantages and Disadvantages
Outcomes
Preparations and Uses
Conclusion
OLOGEN®
Indications
Contraindications
Uses
Conclusion
SECTION III: MANAGEMENT OF RECURRENT PTERYGIUM
CHAPTER 16:
Conjunctival Excision with Limbal Conjunctival Autograft or Amniotic Membrane Grafting, with or without Mitomycin-C in Recurrent Pterygium
INTRODUCTION
INDICATIONS
CURRENT ROLE
OUTCOMES
SURGICAL TECHNIQUE
CONCLUSION
CHAPTER 17:
Combined Ipsilateral Autologous Limbus and Homologous Amniotic Membrane Transplantation for Recurrent Symblepharopterygium
Introduction
Indications
Advantages and Disadvantages
Surgical Techniques
Preoperative Examination
Amniotic Membrane Preparation
Surgery
Postsurgical Care
Outcomes
Conclusion
CHAPTER 18:
Sealing the Gap for Managing Pterygium
INTRODUCTION
Principle Behind the Technique
Advantages of Using Amniotic Membrane Transplant
SURGICAL TECHNIQUE
Anesthesia, Hemostasis, and Akinesia
Separation of Pterygium Head from Cornea
Relaxing Incision to Identify Healthy Tenon
Separation of Abnormal Fibrovascular Tissue from Recessed Conjunctival Epithelial Tissue
Identification and Removal of Abnormal Fibrovascular Tissue
Sealing the Gap
Transplantation of Cryopreserved Amniotic Membrane to Cover Exposed Muscle and Bare Sclera
POSTOPERATIVE CARE
CONCLUSION
SECTION IV: CHALLENGING SITUATIONS IN PTERYGIUM MANAGEMENT
CHAPTER 19:
Double-headed Pterygium: Split Conjunctival Grafts
Introduction
Indications of Split Conjunctival Grafting
Advantages of Split Conjunctival Grafting
Disadvantages of Split Conjunctival Grafting
Surgical Technique
Anesthesia and Pterygium Excision
Graft Preparation and Attachment
Postoperative Care
Outcomes
Conclusion
CHAPTER 20:
Management of Pterygium with Coexisting Cataract
INTRODUCTION
THE IMPACT OF PTERYGIUM ON VISUAL PARAMETERS
SIMULTANEoUS PTERYGIUM AND CATARACT SURGERY
TIMING OF the CATARACT SURGERY: BEFORE OR AFTER THE PTERYGIUM EXCISION
Surgical Technique for Pterygium Surgery
CONCLUSION
CHAPTER 21:
Management of Corneal Opacity after Pterygium Surgery
Introduction
Predisposing Factors
Prevention
Preoperative considerations
Management
Observation
Excimer Laser Phototherapeutic Keratectomy
Surgical Technique
Diamond Burr Superficial Keratectomy with Mitomycin C
Lamellar Keratoplasty
Conclusion
CHAPTER 22:
Management of Pterygium with other Coexisting Ocular Surface Conditions
Introduction
Indications
Investigations
Impression Cytology
High Resolution OCT
Management
Surgical Technique
Introduction
Management
Investigations
Surgical Technique
Residual Opacity
Surgical Technique
Conclusion
CHAPTER 23:
Pterygium and Glaucoma
Introduction
Timing of Surgery
Preoperative considerations and evaluation
Types of Surgery
Application of Antimetabolite
Autologous Conjunctivolimbal Allograft
Surgical Pearls
Anesthesia
Intraoperative Steps
Complications
CHAPTER 24:
Complications after Pterygium Surgery
Introduction
Graft-related Complications
Graft Inflammation
Graft Edema
Graft Hyperemia
Subconjunctival Hemorrhage
Graft Buttonholes/Tears
Graft Retraction/Dehiscence
Graft Necrosis/Ischemia
Surgically Induced Necrotizing Scleritis
Host and Donor Site Complications
Lid Edema
Epithelial Inclusion Cysts
Tarsal Papillae
Cosmetic Complaints
Pyogenic Granuloma
Delayed Conjunctival Epithelialization
Superficial Punctate Epitheliopathy
Corneal Dellen
Persistent Corneal Epithelial Defects
Corneal Opacity
Infectious Corneal Ulcer
Generalized Ocular Side Effects
Conclusion
CHAPTER 25:
Autologous Advanced Tenon Grafting Combined with Conjunctival Flap for Scleromalacia
Introduction
Materials for Ocular Surface Reconstruction
Indications
Advantages and Disadvantages
Surgical Technique
Postoperative Care
Outcomes
Conclusion
CHAPTER 26:
Tectonic Lamellar Graft in Post Pterygium Surgery Corneoscleral Melt
INTRODUCTION
CLINICAL PRESENTATION
PATHOPHYSIOLOGY
APPROACH TO MANAGEMENT
SURGICAL TECHNIQUE
Anesthesia
Lamellar Keratoplasty
OUTCOMES
CONCLUSION
INDEX
TOC
Index
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