Olfactory Neuroblastoma Is Not Always Located at the Roof of the Nasal Cavity.

Objectives: To evaluate the imaging characteristics of the tumor, emphasizing its location, and to determine the frequency of typical and atypical locations of olfactory neuroblastoma (ONB).

Materials And Methods: We retrospectively reviewed the computed tomography and magnetic resonance imaging findings of patients with pathologically proven ONB between April 2000 and April 2023. Demographic information, chief complaints, tumor location, and tumor extension were extracted.

Susceptibility-weighted imaging is helpful in diagnosis of cerebral gnathostomiasis.

Purpose: To describe the role of SWI compared with other MR imaging sequences and CT in diagnosis of cerebral gnathostomiasis.

Materials And Methods: CTs and MRIs of patients with cerebral gnathostomiasis were retrospectively reviewed. The types of intracranial hemorrhage, including intraparenchymal hemorrhage (IPH), subdural hemorrhage (SDH), subarachnoid hemorrhage (SAH), and their locations were recorded.

Prevertebral fat in Madelung disease mimicking cervical spine injury: A case report.

Madelung disease is defined by multiple symmetric fatty accumulations, usually involving the upper trunk, and may sometimes have excessive fat deposition in the prevertebral space. On magnetic resonance imaging (MRI), findings of fat that are hyperintense on T1w and T2w images, may simulate subacute hematoma and mimic cervical spine injury. This is the first reported case of Madelung disease with prevertebral fat deposition mimicking prevertebral hematoma found in cervical spine injury on MRI.

Tumor volume as a prognostic factor on the median survival in locally advanced oral cancer treated with definitive chemoradiotherapy.

Background: Surgery has been the mainstay treatment for oral cancer. Those patients, who do not receive surgery are generally treated with concurrent chemoradiotherapy (CCRT). Many factors play a role in patients' survival; tumor volume might be one of those factors.

White matter: A good reference for the signal intensity evaluation in magnetic resonance imaging for the diagnosis of uveal melanoma.

Background: Comparing the signal intensity (SI) of an ocular mass to that of the vitreous body has been suggested. Most ocular lesions show a hyper-intense signal compared to the vitreous body on T1-weighted (T1w) images, and malignant melanomas have been almost always determined as 'cannot be excluded' in reports.

Purpose: This study aimed to determine the accuracy of magnetic resonance imaging (MRI) in the diagnosis of uveal melanoma by using normal white matter as reference tissue for SI evaluation on T1w images and vitreous body on T2w compared to the conventional method using the vitreous body as a reference on both T1w and T2w images.

Correlation between Serum Squamous Cell Carcinoma Antigen Level and Tumor Volume in Head and Neck Cancer.

Purpose Of Study: An association of squamous cell carcinoma antigen (SCC-Ag) level with cancer prognosis has been reported in many studies. Our investigators conducted the first study determining a correlation between the SCC-Ag level and the tumor volume in head and neck cancer.

Procedures: The SCC-Ag level of patients were measured from the serum, whilst the tumor volume was calculated by the ellipsoid formula and verified by logistic software on radiology.

Development and validation of a breast cancer risk prediction model for Thai women: a cross-sectional study.

Background: Breast cancer risk prediction models are widely used in clinical practice. They should be useful in identifying high risk women for screening in limited-resource countries. However, previous models showed poor performance in derived and validated settings.

Gradenigo's syndrome secondary to chronic otitis media on a background of previous radical mastoidectomy: a case report.

Introduction: Gradenigo's syndrome is nowadays a rare condition characterized by a triad of otorrhea, facial pain with trigeminal nerve involvement and abducens nerve palsy. Most cases are caused by medial extension of acute otitis media into a pneumatized petrous apex and surgical drainage is usually the treatment of choice. We present a case highlighting the pathological mechanism of this disease, demonstrate rare radiological findings associated with this patient, and showcase successful medical treatment without surgical intervention.

Risk factors of breast cancer: a systematic review and meta-analysis.

The etiology of breast cancer might be explained by 2 mechanisms, namely, differentiation and proliferation of breast epithelial cells mediated by hormonal factors. We performed a systematic review and meta-analysis to update effects of risk factors for both mechanisms. MEDLINE and EMBASE were searched up to January 2011.

Retrograde cavernous sinus thrombosis and orbital cellulitis secondary to meningitis in immunocompetence child.

A case of cavernous sinus thrombosis is usually a complication of severe orbital cellulitis and meningitis. The authors reported a retrograde cavernous sinus thrombosis and orbital cellulitis in an immunocompetence child, due to meningitis.

Isolated orbital neurofibroma in NF-1 negative patients.

Isolated orbital neurofibroma unassociated with systemic neurofibromatosis is relatively rare and may be difficult to clinically differentiate from other orbital tumors. The authors report a case of isolated orbital neurofibroma without neurofibromatosis type 1.

Case reports of neuro-Chikungunya in southern Thailand.

There has been a recent increase in reports of neurologic complications as major causes of morbidity and mortality in chikungunya virus infection. As a part of 2004-2009 global outbreaks, an unprecedented large chikungunya epidemic occurred in Southern Thailand during 2008-2009 in which 49,069 cases were reported. During this period, we encountered two patients with meningoencephalitis and another patient with myeloneuropathy among 1,018 cases diagnosed as chikungunya in our hospital.

Bilateral septic cavernous sinus thrombosis following the masticator and parapharyngeal space infection from the odontogenic origin: a case report.

Neglect of odontogenic infections can have serious consequences. If they spread through fascial planes and intracranially they can cause an abscess, orbital cellulitis, and eventually cavernous sinus thrombosis. The authors report a case of rapid progressive bilateral orbital cellulitis and cavernous sinus thrombosis that originated from dental caries.

Three years experience of suprasellar tumors in neuro-ophthalmology clinic.

Objective: To examine pre-treatment ophthalmic presentations and treatment results and to identify factors that may influence improved visual outcomes in patients with suprasellar tumor

Material And Method: The medical records of patients with suprasellar tumors who were diagnosed between July 2005 and June 2008 in the neuro-ophthalmology clinic of Songklanagarind Hospital were retrospectively reviewed by two ophthalmologists. Pre-treatment ophthalmic presentations and treatment results were analyzed. Determinants of improved visual outcomes were identified by using univariate and multivariate regression analysis.

A variety of atypical manifestations in giant cell arteritis.

Giant cell arteritis (GCA) is a chronic granulomatous vasculitis of large and medium size vessels in the elderly. A new-onset headache is the most frequent symptom. An anterior ischemic optic neuropathy (AION) is one of the most common causes of permanent visual loss.

When should MRI be recommended for the accurate clinical staging of base of tongue carcinoma?

Background And Purpose: According to the American Joint Committee on Cancer (AJCC) cancer staging criteria (6th edition), cross-sectional imaging for base of tongue carcinoma is recommended when the deep tissue extent of a primary tumor is in question. The aim of this study was to establish which group of patients MRI might most benefit from accurate clinical staging of base of tongue carcinomas.

Patients And Methods: The clinical stagings of 33 patients with pathologically proven squamous cell carcinomas of the base of tongue were performed by two otorhinolaryngologic surgeons.

Meningioma of the internal auditory canal: a case report.

Meningioma of the internal auditory canal is very rare. There are only 15 previous reports of intracanalicular meningioma. The authors add a case report of a patient with meningioma of the internal auditory canal.

Accuracy of the mammographic report category according to BIRADS.

Objective: To determine the accuracy and predictive value of the mammographic report according to the BIRADS categories in Songklanagarind University Hospital.

Material And Method: Mammograms of 1000 women who came to Songklanagarind University Hospital from June 1998 to September 1999 were reported and placed in category 1 for negative results, category 2 for benign lesions, category 3 for probably benign lesions, category 4 for suspicious lesions and category 5 for highly suspicious lesions. Accuracy was determined by either histology or by unchanged follow-up mammography within 24 months.

ICP threshold in CPP management of severe head injury patients.

Background: Elevated intracranial pressure (ICP) is significantly associated with high mortality rate in severe head injury (SHI) patients. However, there is no absolute agreement regarding the level at which ICP must be treated. The objective of this study was to compare the outcomes of severe head injury patients treated by setting the ICP threshold at >or=20 mm Hg or >or=25 mm Hg.

Talked and deteriorated head injury patients: how many poor outcomes can be avoided?

The objective of this study was to assess the effectiveness of head injury management on the incidence and outcome of talked and deteriorated patients. Of 337 severe head injury patients admitted to Songklanagarind Hospital during 1994 to 1997, 30 were identified as 'talked and deteriorated'. Most deterioration was due to intracranial haematomas.