scholarly journals Maxillary osteosarcoma: a case report and review of maxillary sinus space-occupying lesions

2020 ◽  
Vol 23 (4) ◽  
pp. 6p
Author(s):  
Abbas Shokri ◽  
Kousar Ramezani

Osteosarcoma is a relatively rare lesion in the maxillary bone. The proximity of the lesion to the maxillary sinus provides a null space with the minimum resistance to progress prior to manifest clinically, which makes the early diagnosis more critical. We report a case of maxillary osteosarcoma in a 21-year old male patient who was presented with the chief complaint of the pain and swelling on the left side of palate since 2 months earlier. A cone-beam computed tomography of the maxilla revealed a diffuse hyper-intense entity at the left side of the maxilla. Totally-occupied maxillary sinus space, asymmetric periodontal ligament widening of the involved teeth and spiculated and sunray periosteal reaction were recognized. The diagnosis of osteosarcoma was established and confirmed by histopathology. This article reviews the sinus-occupying lesion in the following and describes the lesions originate within the maxillary sinus or arise from the adjacent odontogenic components. Keywords Case report; Maxillary sinus; Osteosarcoma.

2014 ◽  
Vol 7 (2) ◽  
pp. 85-91 ◽  
Author(s):  
Selmi Yardimci Yilmaz ◽  
Melda Misirlioglu ◽  
Mehmet Zahit Adisen

The purpose of this article is to present the case of maxillofacial trauma patient with maxillary sinus fracture diagnosed with cone-beam computed tomography (CBCT) and to explore the applications of this technique in evaluating the maxillofacial region. A 23-year-old male patient attempted to our clinic who had an injury at midface with complaints of swelling, numbness. The patient was examined before in emergency center but any diagnosis was made about the maxillofacial trauma. The patient re-examined clinically and radiographically. A fracture on the frontal wall of maxillary sinus is determined with the aid of CBCT. The patient consulted with the department of maxillofacial surgery and it is decided that any surgical treatment was not necessary. The emerging technique CBCT would not be the primary choice of imaging maxillofacial trauma. Nevertheless, when advantages considered this imaging procedure could be the modality of choice according to the case.


2019 ◽  
Vol 3 (2) ◽  
pp. 31
Author(s):  
Berty Pramatika ◽  
Suhardjo Sitam ◽  
Ria Noerianingsih Firman

Objectives: The aim of this case report is to describe radiographic characteristic of keratocyst odontogenic tumor (KCOT) in maxilla using CBCT. Case Report: A 20 year-old women patient was referred to the Oral Maxillofacial Radiology Department of Padjadjaran University with the  chief complaint of swelling, painless in the anterior of the upper jaw. In this presented case, we used cone beam computed tomography (CBCT) to find out the margin of the cortical extension, and diameter of the lesion. The CBCT examination shows radiolucent, well-defined lesion in 12-14 region with displacement of 12. The size of the lesion is about 20x15x19mm extended posterior-superiorly near to nasal cavity and it shows less degree of bone expansion. Based on radiographic and clinical examination, the diagnosis was keratocyst odontogenic tumor (KCOT). Conclusion: KCOT has some radiographic characteristic distinguishable with another odontogenic lesion. Therefore, CBCT examination is recommended for the diagnosis of odontogenic keratocyst and proper surgical planning.  


2019 ◽  
Vol 7 (24) ◽  
pp. 4333-4336
Author(s):  
Vo Truong Nhu Ngoc ◽  
Le Quynh Anh ◽  
Nguyen Minh Duc ◽  
Thien Chu Dinh ◽  
Toi Chu Dinh

BACKGROUND: Nowadays, cone beam computed tomography (CBCT) are commonly used in dentistry with an advantage about significantly lower dose comparing with CT-Scanner. Utilizing CBCT images which are indicated in dentistry like orthodontics can help diagnose diseases beyond dentistry field. One rare phenomenon can be seen in maxillary sinus, which is often overlooked by dentists, is ectopic teeth. CASE REPORT: This article describes one orthodontic case found accidentally an ectopic tooth in maxillary sinus by inspecting CBCT images. CONCLUSION: Dentists and oral radiologists should carefully inspect non-dental structures, like maxillary sinus, even its distance from the dentoalveolar region, especially in asymptomatic patients.


2013 ◽  
Vol 127 (2) ◽  
pp. 207-210 ◽  
Author(s):  
S M Hyun ◽  
J-Y Min ◽  
Y J Jang

AbstractObjective:To report a patient with maxillary pneumosinus dilatans and facial deformity treated by reduction osteoplasty and reconstruction.Case report:This study describes the successful management of facial deformity in a 17-year-old male with maxillary pneumosinus dilatans. The patient's facial deformity of the maxillary sinus, which had been slowly progressing over a 10-year period, was managed by reduction osteoplasty and reconstruction using the maxillary bone, conchal cartilage and Tutoplast-processed fascia lata via a sublabial approach. This treatment yielded satisfactory functional and aesthetic outcomes.Conclusion:As pneumosinus dilatans of the maxillary sinus is uncommon, there is no established surgical treatment protocol. This surgical technique was less invasive than other described procedures and revealed good cosmetic results.


Diagnostics ◽  
2021 ◽  
Vol 11 (4) ◽  
pp. 688
Author(s):  
Seok-Ki Jung ◽  
Ho-Kyung Lim ◽  
Seungjun Lee ◽  
Yongwon Cho ◽  
In-Seok Song

The aim of this study was to segment the maxillary sinus into the maxillary bone, air, and lesion, and to evaluate its accuracy by comparing and analyzing the results performed by the experts. We randomly selected 83 cases of deep active learning. Our active learning framework consists of three steps. This framework adds new volumes per step to improve the performance of the model with limited training datasets, while inferring automatically using the model trained in the previous step. We determined the effect of active learning on cone-beam computed tomography (CBCT) volumes of dental with our customized 3D nnU-Net in all three steps. The dice similarity coefficients (DSCs) at each stage of air were 0.920 ± 0.17, 0.925 ± 0.16, and 0.930 ± 0.16, respectively. The DSCs at each stage of the lesion were 0.770 ± 0.18, 0.750 ± 0.19, and 0.760 ± 0.18, respectively. The time consumed by the convolutional neural network (CNN) assisted and manually modified segmentation decreased by approximately 493.2 s for 30 scans in the second step, and by approximately 362.7 s for 76 scans in the last step. In conclusion, this study demonstrates that a deep active learning framework can alleviate annotation efforts and costs by efficiently training on limited CBCT datasets.


Author(s):  
Masanobu Abe ◽  
Kazuto Hoshi ◽  
Masaaki Shojima ◽  
Tetsuo Ushiku ◽  
Hideyuki Suenaga ◽  
...  

2019 ◽  
Vol 31 (1) ◽  
Author(s):  
Noor Rachmawati ◽  
Ria Noerianingsih Firman ◽  
Deddy Firman ◽  
Sandy P ◽  
Krisna Krisna ◽  
...  

Pendahuluan: Tindakan implan merupakan salah satu upaya untuk mengganti gigi yang hilang. Pemasangan implan yang baik, mampu memberikan kenyamanan dan aspek estetis yang baik. Pemasangan implan yang penuh dengan resiko dan ketidak hati-hatian pada pemasangan berakibat tidak baik bagi pasien. Tujuan dari penulisan laporan kasus ini adalah untuk melaporkan kasus ketidaknyamanan yang disebabkan timbulnya reaksi inflamasi disertai supurasi pada sinus maksilaris paska pemasangan implan, dan juga untuk melihat kemampuan dari Cone Beam Computed Tomography (CBCT) dalam menganalisa hal tersebut. Laporan  kasus: Perempuan berusia 40 tahun, mengeluhkan adanya rasa tidak nyaman berupa bau mulut dan hidung disertai hidung tersumbat dan pusing kepala. Anamnesa diketahui bahwa pasien telah melakukan pemasangan implan 3 bulan sebelumnya. Pemeriksaan intraoral menemukan adanya implan pada regio posterior, tanpa rasa sakit dan tanda peradangan. Manajemen kasus dilakukan dengan meminta pasien melakukan pemeriksaan CBCT, karena dicurigai rasa tidak nyaman, pusing dan bau disebabkan oleh implan yang saat ini telah terpasang. Setelah dilakukan pemeriksaan CBCT ternyata ditemukan sinus aproksimasi pada ujung implan. Ujung implan masuk ke dalam sinus dengan panjang lebih dari 2 mm. Hal ini menyebabkan infeksi pada dinding sinus dan berkumpulnya nanah pada daerah sinus. Hal ini membuktikan bahwa implan menyebabkan infeksi pada sinus sehingga kasus ini terjadi. Pasien kemudian dirujuk ke bagian bedah untuk dilakukan perbaikan pada implan. Simpulan: Inflamasi sinus disertai supurasi pada sinus maksilaris paska pemasangan dapat terjadi, hal ini terjadi kemungkinan karena respon tubuh terhadap implan yang masuk ke rongga sinus. Analisa dapat dilakukan dengan memanfaatkan radiografi CBCT.Kata kunci: Implan, CBCT, infeksi sinus maksilaris. ABSTRACTIntroduction: Dental implant placement is an attempt to replace missing teeth. Installing the right implant can provide comfort and good aesthetic aspects. However, the installation of implants with full risks and caution will hurt the patient; thus proper planning is needed for implant placement. The purpose of this case report was to report cases of discomfort caused by an inflammatory reaction accompanied by suppuration in the maxillary sinus after implant placement and also to see the ability of Cone Beam Computed Tomography (CBCT) in analysing this. Case report: A 40-years-old woman complains of discomfort in the form of bad breath, nasal congestion, and headache. Anamnesa found that the patient had implant placement 3 months earlier. An intraoral examination found an implant in the posterior region, with no signs of pain and inflammation. Case management was performed by asking the patient to do a CBCT examination due to suspected discomfort, dizziness and bad breath caused by implants that are currently installed. After a CBCT examination found a sinus approximation at the tip of the implant. The tip of the implant goes into the sinus with a length of more than 2 mm. This caused an infection of the sinus wall and the gathering of pus in the sinus area. This proves that the implant caused an infection of the sinuses. The patient was then referred to the surgical section for the implant repairment. Conclusion: Sinus inflammation accompanied by suppuration of the maxillary sinus after installation can be occurred likely due to the body’s response towards the implants entering the sinus cavity. Analysis can be performed using CBCT radiography.Keywords: Implant, CBCT, maxillary sinus infection.


2014 ◽  
Vol 3 (1) ◽  
pp. 44-46
Author(s):  
Kerem ÖZTÜRK ◽  
Sercan GÖDE ◽  
Gülce GÜRSAN ◽  
Bülent KARCI

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