Pdf on oct 1, 2017, karthikeya patil and others published stafne bone cyst. Download as pdf print show related cases notify admin. Salivary gland defect stafne s bone cyst references 1 1. The stafne bone cavity sc was first described in 1942 by edward stafne, which reported 35 cases of unilateral, radiolucent and asymptomatic cavities located between the lower first molar and the mandibular angle 1. Simple bone cyst mimicking stafne bone defect article pdf available in journal of craniofacial surgery 296. He reported the cases as bone cavities situated near the angle of the mandible. Stafne bone cavity containing ectopic parotid gland brazilian. Investigation and differential diagnosis of stafne bone cavities with. In the present study, we describe a case of stafne sdefect.
Enlargement of a stafne cyst as an indication for surgical. Despite this, the patient was referred to an oral and maxillofacial surgeon for evaluation by cone beam computed tomography. Diagnosis and management of stafne bone cavity with emphasis on. Stafne bone defects are asymptomatic lingual bone depressions of the lower jaw. Anterior stafne bone defect is a rare lingual bone depression mostly seen in the mandibular caninepremolar region. Stafne bone cavity is a rare mandibular defect that was first reported by edward c. The stafne bone defect, also known as the stafne bone cyst, or stafne bone cavity, is an asymptomatic, static depression of. In this article, a case of anterior stafne bone cavity, which can be seen in the intraoral examination, is. Since then, many terms have been used to describe this entity. Sbc, also known as stafne s cyst and lingual salivary gland. This article is within the scope of wikiproject medicine, which recommends that medicinerelated articles follow the manual of style for medicinerelated articles and that biomedical information in any article use highquality medical sources. Pdf on apr 1, 2003, francesco longo and others published stafnes.
The stafne bone defect, also known as the stafne bone cyst, or stafne bone cavity, is an asymptomatic, static depression of the lingual aspect of the mandible that often appears as a radiolucent. First described in 1942, stafne bone defects sbds, are welldefined, radiolucent lingual depressions of the lower jaw bone that are asymptomatic and most frequently diagnosed in middleaged men. Please visit the project page for details or ask questions at wikipedia talk. When your dental surgeon looks at your xrays, there is more to see than just the wisdom teeth. A retrospective study was performed using panoramic radiographs from 34 221 patients undergoing dental treatment in the department of oral and maxillofacial radiology at erciyes university and ataturk university. Stafne bone cavity sbc is a rare mandibular defect, and the diagnosis and management may be.
Stafne bone cysts are defined as pseudocysts of the. Socalled stafnes bone cavity of the mandible were detected by panoramic radiography in 24 patients seen at the second department of oral and maxillof. Stafnes bone cavity sbc is a localized, nonprogressive, non healing lesion of mandible 1,3,4,7,8. 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 bone defect of the molar region of the mandible.
They provide valuable information about your anatomy and they help your dental surgeon to identify. Age, sex, the existence of hypertension and the following ct findings. Objectives the distinction between a pseudocyst and an intervention demanding cyst or process cannot always be found by 2d radiology. An unusual presentation of stafne bone cyst springerlink. Stafne 1 was the first to report the presence of bone cavities in the angle of 35 mandibles.
The large cone beam ct scans capture a complete image of your teeth, jaws, sinuses, and jaw joints. Stafne bone cavities are asymptomatic radiolucencies seen at the angle of the mandible. Salivary heterotopia, cysts and the parathyroid gland. 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. In one study, which looked at 2,693 orthopantomographs, there was a total of lingual cortical mandibular defects, but none were located in the ramus. A radiographical classification of stafnes bone cavity. On a radiograph, the radiolucency of a cyst is usually bordered by a radiopaque periphery of dense sclerotic bone. Complememtary technique such as ct are sufficient to establish a certain diagnosis. Stafne bone cavity is a well demarcated defect of the mandible, usually asymptomatic and located in the posterior portion of the bone.
Anterior stafne bone defect mimicking a residual cyst. The differential diagnosis of a pseudocyst may become more difficult when adjacent processes are present. Several terms have been used to describe this entity, like stafne static bone defect, stafne cyst, static bone cyst, stafne cavity, latent bone cyst, static bone cavity, lingual mandibular bone depression and idiopathic bone cavity 24,7,10. Palpation of the floor of the mouth did not reveal any mass, again suggestive of the stafne bone cyst. A rare presentation of stafne bone cyst sciencedirect. Stafne bone cyst sbc was first described in 1942 by stafne. We describe the mr imaging findings of a stafne bone cavity, describe the contents, explain why a new name is needed, and discuss the relative merits of different radiologic techniques. Stafne bone cyst is very rarely encountered at ramus of the mandible. It commonly presents with a welldemarcated, asymptomatic, unilateral radiolucency that indicates lingual invagination of the cortical bone. Stafne cysts are considered stable structural changes of the mandible and do not require surgical intervention. The radiographic appearance was highly suggestive of a stafne bone defect or stafne bone cyst.
Unilateral and asymptomatic, all lesions were situated near the angle of the mandible, except for the one case that involved the anterior portion of the mandible. Stafne bone cavity of the mandible europe pmc article. Stafne bone cavity containing ectopic parotid gland. Stafne s bone cyst sbc is an asymptomatic, round or ovalshaped, welldefined, uniform radiolucent lesion, usually incidentally observed in the posterior aspects of the mandible. Stafne bone cyst is a rare, benign anatomic entity mostly seen as posterior lingual depression of mandible and in our case it is associated with aberrant but well organized parotid glandular tissue originating dislocation from the pharyngeal pouches. Cystic and cysticappearing lesions of the mandible.
Between the subcondylar region and neck of the mandible ramus abstract fulltext html xml download as pdf. Stafne bone cavity containing ectopic parotid gland brazilian journal of. Stafne bone cavity sbc, commonly known as stafne bone cyst or defect is mostly asymptomatic, appearing as a unilateral, round or ovoid. They are generally asymptomatic and incidental lesion findings may be diagnosed during a radiographic examination. Stafne bone defects of the anterior mandible are very rare, with around 50 cases reported in the english literature.
Stafne s bone cavity was an incidental finding, presenting no progressive changes. The mandibular salivary gland defect stafnes bone cyst. Although plain films are often sufficient for diagnosis, confirmatory imaging is needed in atypical cases. A radiographical classification of stafnes bone cavity springerlink.
Enlargement of a stafne cyst as an indication for surgical treatment a case report. Ct analysis of the stafnes bone defects of the mandible. The radiolucency may be unilocular or multilocular. Author links open overlay panel christopher prechtl philipp stockmann friedrich wilhelm neukam karl andreas schlegel. After completing this article, the reader should have an improved ability to characterize cystic and cysticappearing lesions of the mandible. Odontogenic cysts are those which arise from the epithelium associated with the development of teeth.
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. The histopathological examination revealed the absence of any cystic or tumor lesion and salivary gland. Stafne cyst, also known as the stafne bone cavity is a concavity in the lingual cortex of mandible containing salivary gland tissue. 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. Cystic lesions within the mandible can cause bony remodeling that can. Sbc is an invagination in the medial surface of the mandible and is considered as pseudocyst. Clinically, patients with sbd are usually asymptomatic. 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. Stafne bone defect of the molar region of the mandible sciencedirect. Reports of ramus bone cavity in the literature is rare. Stafne s bone defect sbd or stafne s bone cavity sbc is an uncommon bony defect occurred especially only at the lingual cortex of mandible. Journal of stomatology, oral and maxillofacial surgery.
Radiographic evaluation on prevalence of stafne 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. Stafne bone cyst, lingual mandibular salivary gland depression, latent bone cyst, static bone cyst. We will report a case of stafne s bone cyst with an atypical presentation. Stafne bone cyst, stafne bone cavity, static bone cavi. It is usually an incidental finding and strictly speaking it is not a cyst as it does not contain any fluid. Patients may have anatomical variations, making the diagnosis essential and challenging for effective management. He followed 35 asymptomatic, radiolucent lesions and reported any change. In most cases, the defect is observed accidentally via xray panorama during other dental treatments. Socalled stafne s bone cavity of the mandible were detected by panoramic radiography in 24 patients seen at the second department of oral and maxillofacial surgery, meikai university hospital, and five associated hospitals. The aim of this study was to investigate the frequency of stafne bone defect sbd and to describe the clinical and radiological characteristics of detected cases. Odell guys kings and st thomas dental institute, guys hospital and kings college, london, uk introduction this report describes an unusual stafne bone cavity lingual mandibular salivary inclusion or cyst with an irregular shape.
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