We attend one 46yearold male patient came for diagnostic evaluation of a rounded and radiolucent lesion in the transition of the subcondylar region and neck of the left mandible ramus incidentally found by a dentist. Stafne bone cavity, also known as static bone cyst, is a developmental defect of the mandible in the form of a lingual depression into which lies an aberrant lobe. Fluid aspirations consistency color and type from cysts. Static bone cavity stafne cyst a static bone cavity appears as an ovoid or round, welldefined radiolucent lesion within a cortical defect on the medial surface of the posterior mandible, 3. Stafne bone cyst definition of stafne bone cyst by. Radiologic and pathologic characteristics of benign and. It is characterized by a round or ovoid, welldefined border, unilocular radiolucency. While this may have the radiographic appearance of a cyst, this is merely a depression in the lingual aspect of the mandibular ramus and is occupied by the submandibular salivary gland. Stafnes bone cavity, static bone cyst and idiopathic bone cavity. Typically measuring less than 2 cm, the cavity of this pseudocyst is usually filled with fat but may also contain submandibular salivary gland. Instead, it is a developmental defect in the lower jaw that strongly resembles a cyst when viewed on an xray.
A symptom free 67yearsold man presented with a periapical. Stafne bone cavity sbc, commonly known as stafne bone cyst or defect is mostly asymptomatic, appearing as a unilateral, round or ovoid, radiolucent defect with thick and corticated border. The incidence of anterior stafne bone cyst lingual mandibular bone defect, static bone cyst, latent bone cyst, developmental submandibular gland defect of the mandible has been estimated to between 0. Since 1942, these lesions have been frequently described under various terms. Stafne bone defects sbds were first described by stafne as usually unilateral, asymptomatic, welldefined radiolucent lingual bony defects located at the posterior region of the mandible below the inferior dental canal. Stafne bone defects are asymptomatic lingual bone depressions of the lower jaw. Diagnosis of stafnes bone cavity with dental computerized. Radiographically, it is a wellcircumscribed, monolocular, round, radiolucent defect, cm in size, usually between the inferior alveolar nerve ian and the inferior border of the posterior mandible between the molars and the angle of the jaw. The gag layer normally provides a protective barrier against microorganisms, carcinogens, crystals and other agents present in. Acyst is a patented formulation designed for temporary replenishment of the glycosaminoglycan gag layer in the urinary bladder.
Request pdf differential diagnosis of stafne idiopathic bone cyst with digital volume tomography dvt the distinction between a pseudocyst and an intervention demanding cyst or process cannot. Stafne bone cavity is a well demarcated defect of the mandible, usually asymptomatic and located in the posterior portion of the bone. It is usually an incidental finding and strictly speaking it is not a cyst as it does not contain any fluid. Differential diagnosis of stafne idiopathic bone cyst with. A male patient, 27 years old, was submitted to cbct to evaluation the relation between the right lower third molar roots. Edward c stafne in 1942 described stafnes cyst sc as bony cavities or defects occurring in the posterior mandible of 35 patients. Anterior stafne bone defect mimicking a residual cyst cirugia bucal. An unusual case of large, destructive stafne bone cavity with computed tomography findings mahmut sumer 1, aydan acikgoz 2, canan uzun 2, omer gunhan 3 1 department of oral and maxillofacial surgery, faculty of dentistry, ondokuz mayis university, samsun, turkey 2 department of dentomaxillofacial radiology, faculty of dentistry, ondokuz mayis university, samsun, turkey 3 department of.
Stafne bone cavities, also known as stafne bone cyst, static bone cavity of the mandible, or lingual salivary gland inclusion defect, are cortical defects near the angle of the mandible below the mandibular canal. Stafne bone cavity sbc is a rare lingual bone depression that is asymptomatic and contains salivary glands. A free powerpoint ppt presentation displayed as a flash slide show on id. A 43year old male patient was referred to our clinic with. It is usually accidentally found via radiograph during other dental treatments because patients often present no abnormal clinical symptom. Incisive canal cyst heart shaped superimposed anterior nasal spine. Stafne bone cavity was considered for the radiolucent area located under the mandibular canal but because of the largeness of the lesion and to view its dimensions and borders, cbct newtom 5g. It is usually a welldefined, round, ovoid or occasionally lobulated radiolucency of size cm typically located in the submandibular gland fossa. Odontogenic cysts and tumors michael underbrink, md anna pou, md february, 2002 introduction variety of cysts and tumors uniquely derived from tissues of. Pdf on apr 1, 2003, francesco longo and others published stafnes bone cyst. Stafne bone defects sbds are asymptomatic lingual bone depressions of the lower jaw that are frequently caused by soft tissue inclusion. Examination of the axial images of the cbct scan showed a mandibular lingual wall defect at the molar region with vestibular extension, which causes resorption of the. The large cone beam ct scans capture a complete image of your teeth, jaws, sinuses, and jaw joints.
Differential diagnosis of oral maxillofacial lesions free. Bilateral stafne bone cavity in the anterior mandible with. Mandibular lingual bone depressions are considered to be developmental anomalies known as stafne bone cavity. Stafne bone cavity of the mandible europe pmc article. In this paper, a rare case of posteriorvariant, double sbcs was presented. Radiological assessment of type ii stafne idiopathic bone cyst in a patient undergoing implant therapy. Gingival cyst uncommon cyst of gingival soft tissue, occuring either in the free or attached gingiva. Differential diagnosis of stafne idiopathic bone cyst with digital.
Radiology of cysts of the jaws columbia university. Pdf on oct 1, 2017, karthikeya patil and others published stafne bone cyst. It was described for the first time by stafne in 1942 and is a depression of the lingual surface of the mandible filled by soft tissue, usually aberrant salivary tissue, but can be also filled by fat, lymph nodes, vessels, conjunctive tissue, etc. Aneurysmal bone cyst paradental solitary bone cyst 9. Is conebeam computed tomography diagnostic for anterior. Investigation and differential diagnosis of stafne bone cavities with.
One example of such a lesion is the stafne bone cyst. The full text of this article is available as a pdf 112k. Ppt odontogenic cysts and tumors powerpoint presentation. Edward c stafne in 1942 described stafne s cyst sc as bony cavities or defects occurring in the posterior mandible of 35 patients.
Stafne cyst dr francis deng and assoc prof frank gaillard et al. Prevalence of stafnes cyst a retrospective analysis of 18,040. Named after the doctor who first identified the condition, the stafne bone cyst is not really a true cyst at all. Cysts occur more commonly in the jaws than in any other bone. Serman this is an area where radiology plays an important role in assisting with the diagnosis, determining the size of the lesion and the relationship to adjacent structure. Differential diagnosis of oral maxillofacial lesions differential diagnosis of oral maxillofacial lesions1. A stafne cyst is a cortical defect near the angle of the mandible below the inferior alveolar canal. Through panoramic radiography an ovoid or round radiolucency can be observed near the angle of mandible, usually located between the inferior alveolar nerve and the lower margin. Stafnes bone defect sbd is an uncommon mandibular defect. A dentigerous cyst forms within the lining of the dental follicle when fluid accumulates between the follicular epithelium and the crown of the developing or unerupted tooth. Stafne cyst, named after edward stafne, was first described in 1942 when he noticed asymptomatic radiolucent cavities in intraoral radiographs of 35 different patients. Asymptomatic lesion occurs in the 5th and 6th decade of life. Som, editor a 3%yearold man presented with a mild ache in his left cheek of several weeks duration. Regarded as soft tissue counterpart of lateral periodontal cyst.
Investigation and differential diagnosis of stafne bone. After finding an imagine compatible with stafne bone cavity in the orthopantomograph of 11 patients, a sialography of the mandibular gland was made in. As you know, stafnes bone cyst is thought to be caused by ectopic salivary gland, the remnants of the salivary gland are not seen at a later stage and it is seen that the pseudo cyst stafnes bone cyst does not have an epithelial lining as well because it is considered by some to be an anatomical defect due to the submandibular salivary gland and not pathological. An unusual case of stafne bone cavity with extraosseous course of the mandibular neurovascular bundle. Stafne s bone cavity sbc is a localized, nonprogressive, non healing lesion of mandible 1,3,4,7,8. Acyst contains naturally occurring components of the gag layer of bladder epithelium. It is a developmental abnormality that commonly presents as a small, well demarcated, and. Most dentigerous cysts manifest in adolescents and young adults and often form around the crown of an unerupted mandibular third molar. When your dental surgeon looks at your xrays, there is more to see than just the wisdom teeth.
Pdf cone beam tomography evaluation of lingual cortical. It is usually an incidental finding and represents a depression in the medial aspect of the mandible filled by part of the submandibular gland or adjacent fat. Periapical radiolucencies this website provides over 0 free medical books and more for all students and doctors this website the best choice for medical students during and after learning medicine. Stafne s defect is also known as static bone cyst, lingual mandibular bone defect, stafne bone cavity or idiopathic bone cavity. Stafnes defect is also known as static bone cyst, lingual mandibular bone defect, stafne bone cavity or idiopathic bone cavity. He was otherwise in good health and had no other figure 1. Panoramic radiograph shows there is a large amount of radiolucent component with expansion of mandibular ramus. Defects that are referred as pseudocysts generally occur in mandibular molar region, below the mandibular canal at the lingual side of the mandible and may. A stereosialographic study of developmental figure 3 shows panoramic and coronal. In most cases, the defect is observed accidentally via xray panorama during other dental treatments. Panoramic radiograph, mandible, bone cysts, salivary glands, stafne bone defect.
Case report an unusual case of multilocular stafne bone cavity. Stafne bone cyst definition of stafne bone cyst by medical. The purpose of the present report is to describe the characteristics of classic stafne bone cavity in molar region evaluated by cone beam computed tomography cbct. They provide valuable information about your anatomy and they help your dental surgeon to identify. Sbc is easily diagnosed by the presence of a cystlike oval radiolucency near the gonial angle of mandible on panoramic radiography. Since then, multiple terms have been used to describe this depression, such as stafne bone cyst, stafne bone cavity, latent bone cyst, aberrant salivary gland. Differential diagnosis of stafne idiopathic bone cyst with digital volume. Stafnes defect is usually discovered by chance during routine dental radiography. Stafne 91 cases e introduction stafne bone defect sbd is a radiolucent depression or defect in the mandible first described in 1942 1. An unusual case of double stafne bone cavities springerlink. Stafne s bone defect sbd is an uncommon mandibular defect. After the report by stafne, others have described similar cavities that were often observed in men between 50 to 70 years of age, with 0. Radiographically, an sbc is usually seen as welldefined homogenous oval radiolucency in the mandibular posterior region, below the mandibular canal.
Stafne cyst is also known as lingual salivary gland depression, lingual mandibular bone depression, developmental salivary gland defect, stafne bone cavity, static. An unusual presentation of stafne bone cyst springerlink. Stafne bone cavity is a rare mandibular defect that was first reported by edward c. Stafne cysts are small cortical defects near the angle of the mandible below the mandibular canal.
Stafne bone cavity sbc, commonly known as stafne bone cyst or defect is mostly asymptomatic, appearing as a unilateral, round or ovoid. Stafne bone cavity with ectopic salivary gland tissue in. The stafne defect also termed stafne s idiopathic bone cavity, stafne bone cavity, stafne bone cyst misnomer, lingual mandibular salivary gland depression, lingual mandibular cortical defect, latent bone cyst, or static bone cyst is a depression of the mandible on the lingual surface the side nearest the tongue. Nov 28, 2012 this report describes an unusual case of trilobate stafne bone cavity in a 72yearold male asymptomatic patient, presenting as a radiolucency in the left mandibular body with an irregular peripheral border and a central area of reduced density on panoramic radiograph. Case courtesy of dr amir elhamy, theodor bilharz institute, egypt. Prevalence of stafnes cyst a retrospective analysis of. These entities are asymptomatic and appear mostly unilaterallyas ellipticalshaped unilocular radiolucencies located in the lingual mandibular surface, below the inferior alveolar canal, between the first molar and the angle of the mandible. Stafnes cyst defined as static lesions located in the angle of mandible. Clinically, patients with sbd are usually asymptomatic. Traumatic bone cyst an overview sciencedirect topics. Stafne bone cyst an indentation on the lingual surface of the mandible within which lies a portion of the submandibular gland. Based on this film, what is the most likely diagnosis.
Differential diagnosis of oral maxillofacial lesions. This report describes an unusual case of trilobate stafne bone cavity in a 72yearold male asymptomatic patient, presenting as a radiolucency in the left mandibular body with an irregular peripheral border and a central area of reduced density on panoramic radiograph. The aneurysmal bone cyst is a rare expansile lesion seen in long bones as well as in the jaws. The stafne defect is thought to be a normal anatomical variant, as the. Stafnes bone defect sbd or stafnes bone cavity sbc is an uncommon bony defect occurred especially only at the lingual cortex of mandible. A 43year old male patient was referred to our clinic. Stafne bone cavity with ectopic salivary gland tissue in the anterior of mandible parviz deyhimi 1, soheila darisavi 2, saeideh khalesi 1 1 dental research center and department of oral and maxillofacial pathology, school of dentistry, isfahan university of medical sciences, isfahan, iran 2 department of oral and maxillofacial pathology, school of dentistry, isfahan university of medical. Stafne bone cavity, also known as static bone cyst, is a developmental defect of the mandible in the form. Scribd is the worlds largest social reading and publishing site. An unusual trilobate stafne bone cavity springerlink. An unusual case of large, destructive stafne bone cavity with. Stafne bone defects radiographic features in panoramic radiographs. It commonly presents with a welldemarcated, asymptomatic, unilateral radiolucency that indicates lingual invagination of the cortical bone. In 1942, stafne described for the first time 35 asymptomatic, radiolucent cavities, unilaterally located in the posterior region of the mandible, between the mandibular angle and the third molar, below the inferior dental canal and slightly above the basis mandibulae.
In past it was considered as a cyst, but rather it is a variation in the development of the bone cortex and hence the term cavity or defect is more appropriate. Stafne cyst remodelling of the mandibular cortex around salivary tissue 50. An unusual case of large, destructive stafne bone cavity. Stafnes cyst sc is a bone depression found on the lingual side of the mandible. Salivary gland tissue in the mandible and stafnes mandibular cysts.
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