Stafne bone defects are asymptomatic lingual bone depressions of the lower jaw. An unusual trilobate stafne bone cavity, surgical and. Stafnes bone cavity sbc is a localized, nonprogressive, non healing lesion of mandible 1,3,4,7,8. Simple unicameral bone cyst some unicameral bone cysts may spontaneously resolve without medical intervention. Introduction stafne bone cavity is a rare abnormality, named after edward stafne, who first described the lesion in 1942.
The lesion was treated with curettage and cancellous autogenous iliac bone grafting. Stafne bone cavity, also known as static bone cyst, is a developmental defect of the mandible in the form. According to the radiologic findings, the lesion was identified as a simple bone cyst, and the diagnosis was. During facial bone computed tomography ct for facial area evaluation, a well shaped cystic lesion was accidentally detected on the right side of. Radiographically, a small dentigerous cyst can be distinguished from a dental follicle. In this case report, the successful treatment of a large residual cyst in the symphysis of a 93 yearold female patient by performing decompression alone is presented. Diagnosis is commonly by plain xray, but use of more accurate imaging such as mri is required in atypical cases.
They tend to continue to enlarge, destroy bone, and may eventually erode the rest of the bone and extend into the soft tissues. Stafne bone cavity sbc, commonly known as stafne bone cyst or defect is mostly asymptomatic, appearing as a unilateral, round or ovoid. An aneurysmal bone cyst is an expansile osteolytic lesion with a thin wall, containing bloodfilled cystic cavities. A rapid growing mass, depicting soft tissue invasion, in the right condyle of the mandible was found. Pdf the stafne s bone defect have controversial diagnoses because it can be mistaken with benign and malignant lesions of the jaws. They provide valuable information about your anatomy and they help your dental surgeon to identify. Differential diagnosis of stafne idiopathic bone cyst with. The cavity was found to be a depression in the lingual cortical surface of the mandible, indented by normal salivary gland tissue. Since then, many terms have been used to describe this entity. To describe clinical features of the anterior stafne bone cyst. In 1942, stafne described a series of asymptomatic radiolucent lesions located near the angle of the mandible. A stafne cyst is a cortical defect near the angle of the mandible below the inferior alveolar canal. This typically occurs in young children and teenagers. Stafne bone cyst definition of stafne bone cyst by.
Stafne bone cavity incidentally twice diagnosed on panoramic radiographs ulkem aydin 1, yener oguz 2 1 department of dentomaxillofacial radiology, faculty of dentistry, baskent university, ankara, turkey 2 department of oral and maxillofacial surgery, faculty of dentistry, baskent university, ankara, turkey. Stafnes bone cavity and its utilization in complete. Stafne bone cavity sbc is a rare mandibular defect, and the diagnosis and. To the best of our knowledge, no other unicameral bone. It is usually an incidental finding and represents a depression in the medial aspect of. Stafne bone defect in the anterior mandible bir publications. The bone cyst often causes damage to the cartilage that covers the bones and once damaged, the cartilage is never the same. 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 always be found by 2d radiology. Radiographic appearance of cysts part 3 and scintigraphy. At five years of followup the wrist was pain free, there were no limitations of motion, and the radiographs showed complete obliteration of the cavity. Mandibular distraction osteogenesis as first step in the early treatment of severe dysgnathia in childhood.
Stafne bone defects sbds are asymptomatic lingual bone depressions of the lower jaw that are frequently caused by soft tissue inclusion. Bilocular stafne bone defect above and below the inferior. Stafne bone cavity which is also known as lingual mandibular bone defect is generally seen in the posterior region of the mandible. Simple bone cyst in spinous process of the c4 vertebra. 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. 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. 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. To supply radiologist a guide for diagnosis and classification of stafne bone cyst. The differential diagnosis of a pseudocyst may become more difficult when adjacent processes are present.
The lesion is known by many synonyms, such as stafne lacune, static bone cavity, latent. Stafnes bone cyst also known as static bone cyst, lingual mandibular bone cavity stafne bone cyst of the mandible is the only described destructive bone lesion that is highly localized, nonprogressive, but nonhealing. Ogunsalu, radiological assessment of type ii stafne. Crosssectional imaging may be required when lesions are in unusual. 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. Large cysts can weaken the bone and lead to fractures. Developmental salivary gland defect synonyms stafne defect stafne bone cyst static bone cavity. Meanwhile, a rare case of anterior sbc with fatty tissue content is reported. 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.
A rare case of aneurysmal bone cyst abc located in the mandibular condyle in a 10yearold boy is presented. Differential diagnosis of a salivary gland bone defect by. This article is supported by wikiproject dentistry. The cavity was then found to be a depression in the lingual cortical plate of the mandible, indented mainly by the submandibular gland.
Here, the cyst is present within the growth plate of the bone. If you want to participate andor join, please visit the project page, or ask questions on the project talk page. The bone cyst often is identified by its appearance as a black hole in the bone. However, when a cyst occurs as a component of a primary lesion of osteochondrosis seen as a developmental defect in spraguedawley rats or degeneration of the joint, it should not be diagnosed. 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. Schaerlaken, da, m dom, j hintjens, k chapelle, s dekeyzer, and filip vanhoenacker. During facial bone computed tomography ct for facial area evaluation, a wellshaped cystic lesion was accidentally detected on the right side of. Stafnes bone defect is a benign lesion appearing on the image as a round radiolucent lesion within a cortical defect on the mandible. A plastic drain was placed on the wall of the cyst to allow irrigation. It is usually an incidental finding and strictly speaking it is not a cyst as it does not contain any fluid. Management of large residual cyst in elderly patient with.
The patient came to our attention for a sudden swelling in the right temporomandibular region, the mouth opening was not reduced. In such cases, it does not cause any deformity of the bone. Background stafne bone cyst sbc is a rare mandibular defect described by stafne in 1942. Low this article has been rated as lowimportance on the projects importance scale file. Stafne bone cyst is very rarely encountered at ramus of the mandible. Investigation and differential diagnosis of stafne bone cavities with. As the bone grows in the child, it can weaken and deform the bone. Benign giant cell tumors of bone, which most commonly affect people in their 20s and 30s, occur in the epiphyses.
Based on the location of lingual defect, it is classified into two major subgroups of posterior lingual variation that is located between the first permanent molar and mandibular angle below the inferior alveolar canal and the anterior lingual variation located in the. This study revealed that some radiographic studies may under report the actual frequency of shallow or early. Solitary bone cysts should be diagnosed when observed. Read an unusual trilobate stafne bone cavity, surgical and radiologic anatomy on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. A case of a simple bone cyst in the spinous process of the fourth cervical vertebra in a 26yearold woman is reported.
The normal dental follicle measures 2 cm in greatest width. Aneurysmal bone cyst located in the mandibular condyle. A stafne bone cyst is usually an incidental radiologic finding that most often appears as a unilocular lesion with benign cortical thinning in a characteristic location near the angle of the mandible, immediately beneath the inferior alveolar nerve canal. The large cone beam ct scans capture a complete image of your teeth, jaws, sinuses, and jaw joints. Unicameral bone cysts affect the long bones, particularly the humerus and the femur, or heel bones in children and adolescents and are frequently detected as a result of a fracture. Differential diagnosis of a salivary gland bone defect by means of computerized tomography.
We report a case of a symptomatic unicameral simple bone cyst of the lunate in a 42year old woman. Stafne bone defect of the molar region of the mandible sciencedirect. It is not a real cyst but a bone defect of unknown origin. Stafne bone defects of the anterior mandible are very rare, with around 50 cases reported in the english literature. Stafne bone cyst when your dental surgeon looks at your xrays, there is more to see than just the wisdom teeth. Reports of ramus bone cavity in the literature is rare. 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 stafne bone cavity is generally detected in patients in the 5 th or 6 decade of life, although cases have been described in ages between 11 and 87 years. Learn about symptoms, treatment and when to seek medical advice here using content verified by certified doctors. A bone cyst is a fluidfilled hole in a bone that usually occurs in children and young adults. Bone cyst, benign bone tumour that is usually saclike and filled with fluid. A radiographical classification of stafnes bone cavity.
A unicameral bone cyst, also known as a simple bone cyst, is a benign noncancerous bone tumor that occurs primarily in children and adolescents. An unusual presentation of stafne bone cyst springerlink. While they are considered benign, a cyst can become more invasive and damage the bones growth plate or impact the metaphysis the area where bone shaft and the end of the bone meet. An indentation on the lingual surface of the mandible within which a portion of the submandibular gland lies. Pdf on oct 1, 2017, karthikeya patil and others published stafne bone cyst. Stafnes defects in a sample of adult thai mandibles in. Simple bone cysts are common, benign, fluidfilled, cystic lesions that occur mostly in the metaphysis of the long bones and are rarely found in vertebrae. Anterior stafne bone defect mimicking a residual cyst cirugia bucal. An sbc may have an appearance similar to that of a true cyst, especially an okc. C this article has been rated as cclass on the projects quality scale.
Cavities in the anterior region are very unusual, with around 50 cases. Diagnosis and management of stafne bone cavity with emphasis on. Stafne bone cavity is a well demarcated defect of the mandible, usually asymptomatic and located in the posterior portion of the bone. A unicameral bone cyst, or simple bone cyst, creates a cavity in the bone that fills with fluid. The cysts are cavities within bone that are filled with fluid. If the cystic component of the follicle is greater than this, it is likely that the tooth will never erupt and that a dentigerous cyst. Specific treatments are determined based on size of the cyst, strength of the bone, medical history, extent of the disease, activity level, symptoms an individual is experiencing, and tolerance for specific medications, procedures, or therapies. The term aneurysmal is derived from its radiographic appearance. However, maintenance of some lamina dura and the lack of an invasive periphery and bone destruction should be enough to remove this category of diseases from consideration. 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.
489 354 114 302 1394 898 1112 1260 261 520 3 465 1054 1360 80 875 1167 1467 1520 986 439 624 1194 965 1175 1170 1437 1266 226 592 1150 982 1081