Paul M. Speight - Shear's Cysts of the Oral and Maxillofacial Regions

1 Chapter 2 Figure 2.1 In the posterior region of the mandible, the course of the inferi... Figure 2.2 Diagrammatic representation of a radicular cyst. The cyst develop...

2 Chapter 3 Figure 3.1 Age distribution of 948 South African patients with radicular cys... Figure 3.2 Age distribution of 1970 patients with radicular cysts from Sheff... Figure 3.3 Site distribution of radicular cysts. A comparison of 1111 cases ... Figure 3.4 Radiograph of a radicular cyst. The lesion is a well‐defined radi... Figure 3.5 Radiograph of a residual cyst. The lesion is at the site of a pre... Figure 3.6 Rest cells of Malassez appear as multiple small islands of epithe... Figure 3.7 Arcades and rings of proliferating epithelium in a periapical gra... Figure 3.8 Sheet of epithelial cells in a periapical lesion. A distinct clef... Figure 3.9 Degeneration of cells in the centre of a mass of proliferating ep... Figure 3.10 A periapical granuloma at the apex of a molar tooth root. There ... Figure 3.11 A long‐standing radicular cyst. The cyst wall has become fibrous... Figure 3.12 Radicular cyst. The cyst has a thick fibrous wall. The lumen is ... Figure 3.13 Quiescent epithelium lining a mature, long‐standing residual cys... Figure 3.14 Cellular changes in the lining of radicular cysts. (a) A portion... Figure 3.15 Hyaline bodies in the epithelial lining of a radicular cyst. (a)... Figure 3.16 Cholesterol clefts in a radicular cyst. (a) An accumulation of c... Figure 3.17 A focal accumulation of plump, foamy histiocytes in the wall of ... Figure 3.18 A low‐power view of a pocket cyst. The cyst lining is attached t...

3 Chapter 4 Figure 4.1 Young boy with mandibular buccal bifurcation cyst involving a rec... Figure 4.2 Paradental cysts. (a) Bilateral cysts in a 13‐year‐old associated... Figure 4.3 Mandibular buccal bifurcation cysts involving (a) an erupting fir... Figure 4.4 Occlusal view of a mandibular buccal bifurcation cyst on a mandib... Figure 4.5 Differential diagnosis of the paradental cyst. (a) The cyst is we... Figure 4.6 Gross specimen of a paradental cyst on the buccal aspect of a par... Figure 4.7 Paradental cyst adjacent to the root of an impacted mandibular th...

4 Chapter 5 Figure 5.1 Age and sex distribution of 343 patients with dentigerous cysts (... Figure 5.2 Age and sex distribution of 1274 patients with dentigerous cysts ... Figure 5.3 Distribution of the location of dentigerous cysts in different de... Figure 5.4 Anatomical distribution of 245 dentigerous cysts.Figure 5.5 Radiograph of a typical dentigerous cyst, associated with a lower...Figure 5.6 Computed tomographic scan of a central type of dentigerous cyst, ...Figure 5.7 Diagram illustrating the manner in which the cyst may expand to p...Figure 5.8 A central type of dentigerous cyst has displaced the third molar ...Figure 5.9 Computed tomographic scan of a maxillary dentigerous cyst extendi...Figure 5.10 Radiograph of a lateral type of dentigerous cyst. The cyst is di...Figure 5.11 A rare example of bilateral dentigerous cysts in a child, affect...Figure 5.12 Radiograph of a circumferential type of dentigerous cyst associa...Figure 5.13 A dentigerous cyst wall with resorption of the contiguous root o...Figure 5.14 A cyst envelops the crown of a lower third molar, and on radiolo...Figure 5.15 An inflammatory dentigerous cyst. The crown of the developing fi...Figure 5.16 (a) A radicular cyst associated with a deciduous mandibular seco...Figure 5.17 Radiograph of a unilocular ameloblastoma that appears to be in a...Figure 5.18 A dentigerous cyst and the associated tooth, in this case a cani...Figure 5.19 A low‐power view of a decalcified section of a dentigerous cyst ...Figure 5.20 The wall of a dentigerous cyst lined by a thin epithelium of two...Figure 5.21 The wall of a dentigerous cyst, composed of loose myxoid fibrous...Figure 5.22 An inflamed region of a dentigerous cyst wall, lined by hyperpla...Figure 5.23 A portion of the lining of a dentigerous cyst shows mucous metap...

5 Chapter 6Figure 6.1 Eruption cysts involving both maxillary permanent incisors.Figure 6.2 Histological features of an eruption cyst. The surface epithelium...

6 Chapter 7Figure 7.1 Age distribution of 1007 odontogenic keratocysts diagnosed in She...Figure 7.2 The approximate site distribution of odontogenic keratocysts (see...Figure 7.3 A small odontogenic keratocyst. Radiology shows a well‐demarcated...Figure 7.4 (a) Radiograph of an odontogenic keratocyst that is unilocular bu...Figure 7.5 A large keratocyst at the angle and ramus of the mandible. This c...Figure 7.6 A large odontogenic keratocyst. (a) A conventional radiograph sho...Figure 7.7 An odontogenic keratocyst that has enveloped an unerupted tooth a...Figure 7.8 Sagittal computed tomography (CT) scans of odontogenic keratocyst...Figure 7.9 A coronal computed tomography (CT) scan enables accurate visualis...Figure 7.10 Coronal magnetic resonance imaging (MRI) showing the lobularity ...Figure 7.11 A well‐demarcated unilocular radiolucency in the ascending ramus...Figure 7.12 Islands and cords of epithelium in the oral mucosa overlying an ...Figure 7.13 The hedgehog signalling pathway. (a) In the absence of ligand bi...Figure 7.14 (a) Ki‐67 and (b) proliferating cell nuclear antigen (PCNA) expr...Figure 7.15 Low‐power scans of two odontogenic keratocysts. The lining of th...Figure 7.16 Characteristic features of the odontogenic keratocyst. (a) The l...Figure 7.17 A high‐power view shows reversal of nuclear polarity in the epit...Figure 7.18 Satellite cysts and epithelial islands in the wall of odontogeni...Figure 7.19 (a–d) Hyperplasia of the epithelial lining and budding of the ba...Figure 7.20 Inflammatory changes in the odontogenic keratocyst. A characteri...Figure 7.21 A solid odontogenic keratocyst that arose in the maxilla (see Fi...Figure 7.22 Sections from a cell block preparation of an aspirate from an in...Figure 7.23 Malignant change in odontogenic keratocyst. Islands of squamous ...

7 Chapter 8Figure 8.1 Age distribution of 114 patients with developmental lateral perio...Figure 8.2 Radiograph of a lateral periodontal cyst lying between the mandib...Figure 8.3 A unifying mechanism for the formation of unicystic and multicyst...Figure 8.4 Lateral periodontal cyst is lined by thin non‐keratinising epithe...Figure 8.5 The wall of the lateral periodontal cyst may show hyalinisation, ...Figure 8.6 Epithelial thickenings and plaques are seen in lateral periodonta...Figure 8.7 Diagram illustrating the possible mode of formation of epithelial...Figure 8.8 Age distribution of 66 patients with botryoid odontogenic cysts....Figure 8.9 A botryoid odontogenic cyst. The lesion is multicystic, with thin...Figure 8.10 Botryoid odontogenic cyst with numerous small cysts showing a th...

8 Chapter 9Figure 9.1 Age distribution of 56 patients with gingival cyst of the adult....Figure 9.2 Gingival cyst of an adult. The lesion is a sessile swelling of no...Figure 9.3 Radiograph of a gingival cyst in an adult. There is a faint radio...Figure 9.4 Gingival cyst of the adult. The cyst lies just below the gingival...Figure 9.5 The epithelial lining of a gingival cyst of the adult is thin and...Figure 9.6 Gingival cyst of the adult, showing a thin epithelial lining with...Figure 9.7 A mucosal biopsy from the retromolar area of an adult contains is...Figure 9.8 Gingival cysts in an infant. Multiple lesions on the buccal aspec...Figure 9.9 A mucosal biopsy from an infant shows a fragmenting dental lamina...Figure 9.10 Gingival cyst in an infant. The cyst lies just below the surface...

9 Chapter 10Figure 10.1 Age and sex distribution of 105 patients with glandular odontoge...Figure 10.2 Radiograph of a glandular odontogenic cyst in the maxilla. There...Figure 10.3 Radiograph of an extensive multilocular glandular odontogenic cy...Figure 10.4 Another example similar to Figure 10.3. The cyst crosses the mid...Figure 10.5 A radiograph (a) and an axial computed tomography (CT) scan (b) ...Figure 10.6 Two examples of multicystic glandular odontogenic cysts. Even at...Figure 10.7 Glandular odontogenic cyst may have a thin regular lining only t...Figure 10.8 Epithelial thickenings and plaques in glandular odontogenic cyst...Figure 10.9 Part of the lining of the cyst shown in Figure 10.6b. An area of...Figure 10.10 A periodic acid–Schiff (PAS)‐stained section of part of the lin...Figure 10.11 An example of a glandular odontogenic cyst with prominent mucou...Figure 10.12 A portion of a cyst wall from the lesion illustrated in Figure ...Figure 10.13 A dentigerous cyst with mucous metaplasia. There are mucous cel...Figure 10.14 Two examples of central mucoepidermoid carcinoma. (a) Islands o...Figure 10.15 Central mucoepidermoid carcinoma (same lesion as Figure 10.14a)...