In this article, a case of anterior stafne bone cavity, which can be seen in the intraoral examination, is. Stafne bone cavity is a rare mandibular defect that was first reported by edward c. 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. 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. Stafne s bone cavity was an incidental finding, presenting no progressive changes. Please visit the project page for details or ask questions at wikipedia talk. Stafne bone cavity containing ectopic parotid gland brazilian journal of.
Stafne bone defect of the molar region of the mandible sciencedirect. The large cone beam ct scans capture a complete image of your teeth, jaws, sinuses, and jaw joints. Stafne bone defects are asymptomatic lingual bone depressions of the lower jaw. Stafne bone cysts are defined as pseudocysts of the. On a radiograph, the radiolucency of a cyst is usually bordered by a radiopaque periphery of dense sclerotic bone. Diagnosis and management of stafne bone cavity with emphasis on.
Stafne bone cavity which is also known as lingual mandibular bone defect is generally seen in the posterior region of the mandible. Although plain films are often sufficient for diagnosis, confirmatory imaging is needed in atypical cases. A radiographical classification of stafnes bone cavity springerlink. 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. Odontogenic cysts are those which arise from the epithelium associated with the development of teeth. Stafnes bone cavity sbc is a localized, nonprogressive, non healing lesion of mandible 1,3,4,7,8. The differential diagnosis of a pseudocyst may become more difficult when adjacent processes are present. Cystic and cysticappearing lesions of the mandible. 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. Radiographic evaluation on prevalence of stafne bone. 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.
It commonly presents with a welldemarcated, asymptomatic, unilateral radiolucency that indicates lingual invagination of the cortical bone. They provide valuable information about your anatomy and they help your dental surgeon to identify. Download as pdf print show related cases notify admin. Pdf the stafne s bone defect have controversial diagnoses because it can be. Between the subcondylar region and neck of the mandible ramus abstract fulltext html xml download as pdf. He followed 35 asymptomatic, radiolucent lesions and reported any change. Pdf on apr 1, 2003, francesco longo and others published stafnes. Palpation of the floor of the mouth did not reveal any mass, again suggestive of the stafne bone cyst. It is a developmental abnormality that commonly presents as a small, well demarcated, and asymptomatic radiolucency seen at the angle of the mandible below the mandibular canal. Journal of stomatology, oral and maxillofacial surgery.
Investigation and differential diagnosis of stafne bone cavities with. Stafne bone cavity sbc, commonly known as stafne bone cyst or defect is mostly asymptomatic, appearing as a unilateral, round or ovoid. Despite this, the patient was referred to an oral and maxillofacial surgeon for evaluation by cone beam computed tomography. The radiographic appearance was highly suggestive of a stafne bone defect or stafne bone cyst. 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. It is usually an incidental finding and strictly speaking it is not a cyst as it does not contain any fluid. Pdf differential diagnosis of stafne idiopathic bone. 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. Patients may have anatomical variations, making the diagnosis essential and challenging for effective management.
Stafne bone cavity is a well demarcated defect of the mandible, usually asymptomatic and located in the posterior portion of the bone. A radiographical classification of stafnes bone cavity. Sbc, also known as stafne s cyst and lingual salivary gland. 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. When your dental surgeon looks at your xrays, there is more to see than just the wisdom teeth. In the present study, we describe a case of stafne sdefect. Cystic lesions within the mandible can cause bony remodeling that can. An unusual presentation of stafne bone cyst springerlink. Salivary gland defect stafne s bone cyst references 1 1. Stafne bone cyst, lingual mandibular salivary gland depression, latent bone cyst, static bone cyst.
Bone cavities situated near the angle of the mandible. Stafne bone cavity containing ectopic parotid gland. Socalled stafnes bone cavity of the mandible were detected by panoramic radiography in 24 patients seen at the second department of oral and maxillof. Ct analysis of the stafnes bone defects of the mandible. They are generally asymptomatic and incidental lesion findings may be diagnosed during a radiographic examination.
A stafne cyst is a cortical defect near the angle of the mandible below the inferior alveolar canal. Objectives the distinction between a pseudocyst and an intervention demanding cyst or process cannot always be found by 2d radiology. 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. The mandibular salivary gland defect stafnes bone cyst. Stafne cyst, also known as the stafne bone cavity is a concavity in the lingual cortex of mandible containing salivary gland tissue. Since then, many terms have been used to describe this entity. 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.
Stafne bone cyst, static bone cavity, latent bone cyst, lingual mandibular bone cavity, mandibular embryonic defect, idiopathic bone concavity of the mandible, and developmental submandibular gland defect of the mandible. Stafne bone cavity containing ectopic parotid gland brazilian. The radiolucency may be unilocular or multilocular. Stafne bone cavity of the mandible europe pmc article. 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. 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.
Diagnosis is commonly by plain xray, but use of more accurate imaging such as mri is required in atypical cases. Pdf on oct 1, 2017, karthikeya patil and others published stafne bone cyst. 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. Age, sex, the existence of hypertension and the following ct findings. Author links open overlay panel christopher prechtl philipp stockmann friedrich wilhelm neukam karl andreas schlegel. We will report a case of stafne s bone cyst with an atypical presentation. Stafne bone defects of the anterior mandible are very rare, with around 50 cases reported in the english literature. 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. Clinically, patients with sbd are usually asymptomatic. 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. Stafne bone cavities are asymptomatic radiolucencies seen at the angle of the mandible. 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. By definition, a cyst is an epitheliumlined cavity that contains fluid or semisolid material. Complememtary technique such as ct are sufficient to establish a certain diagnosis.
In most cases, the defect is observed accidentally via xray panorama during other dental treatments. Enlargement of a stafne cyst as an indication for surgical. Anterior stafne bone defect mimicking a residual cyst. Stafne 1 was the first to report the presence of bone cavities in the angle of 35 mandibles. He reported the cases as bone cavities situated near the angle of the mandible. Anterior stafne bone defect is a rare lingual bone depression mostly seen in the mandibular caninepremolar region. Stafne bone cyst, stafne bone cavity, static bone cavi. The stafne bone defect, also known as the stafne bone cyst, or stafne bone cavity, is an asymptomatic, static depression of. Simple bone cyst mimicking stafne bone defect article pdf available in journal of craniofacial surgery 296. Enlargement of a stafne cyst as an indication for surgical treatment a case report.
Stafne bone defect of the molar region of the mandible. 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. Stafne bone cyst sbc was first described in 1942 by stafne. After completing this article, the reader should have an improved ability to characterize cystic and cysticappearing lesions of the mandible. Stafne bone cavity sbc is a rare mandibular defect, and the diagnosis and management may be. 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. Reports of ramus bone cavity in the literature is rare. The histopathological examination revealed the absence of any cystic or tumor lesion and salivary gland.
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 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. Salivary heterotopia, cysts and the parathyroid gland. Stafne cysts are considered stable structural changes of the mandible and do not require surgical intervention.
Sbc is an invagination in the medial surface of the mandible and is considered as pseudocyst. A rare presentation of stafne bone cyst sciencedirect. The bone defects of two patients in this study were asymptomatic and any other bone lesions, such as cysts and tumors, were excluded. 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.
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