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Article
Radiologic feature of complications after artificial urinary sphincter implantation following total prostatectomy
Incontinence following total prostatectomy for prostate cancer significantly impairs patient’s quality of life. In severe cases, implantation of an artificial urinary sphincter (AUS) has shown favorable outcom...
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Article
Imaging of salivary gland cancers derived from a sublingual gland herniated into the submandibular space: a report of three cases
Sublingual gland herniation into the submandibular space through a mylohyoid muscle defect is a common anatomical variation; however, salivary gland cancers that arise from a herniated sublingual gland have no...
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Article
Reply to letter to the editor: Computed tomography-based radiomic analysis for predicting pathological response and prognosis after neoadjuvant chemotherapy in patients with locally advanced esophageal cancer
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Article
Computed tomography findings of hepatobiliary systems in patients with immune checkpoint inhibitor-induced liver injury
The incidence of immune checkpoint inhibitor (ICI)-induced liver injury has increased recently; however, its imaging characteristics remain unclear. This study aimed to characterize the computed tomography (CT...
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Article
Computed tomography-based radiomic analysis for predicting pathological response and prognosis after neoadjuvant chemotherapy in patients with locally advanced esophageal cancer
Accurate prediction of prognosis and pathological response to neoadjuvant chemotherapy (NAC) is crucial for optimizing treatment strategies for patients with locally advanced esophageal cancer (LA-EC). This st...
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Article
Characteristic imaging findings in a patient with chronic expanding hematoma on the floor of the mouth
Chronic expanding hematoma (CEH) is defined as chronic hematoma enlargement for more than 1 month. Although CEH rarely occurs on the floor of the mouth, the need to distinguish these cases from malignant disea...
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Article
Open AccessLiver functional assessment using time-associated change in the liver-to-spleen signal intensity ratio on enhanced magnetic resonance imaging: a retrospective study
Liver-to-spleen signal intensity ratio (LSR) is evaluated by magnetic resonance imaging (MRI) in the hepatobiliary phase and has been reported as a useful radiological assessment of regional liver function. Ho...
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Article
Open AccessSubtraction iodine imaging with area detector CT to improve tumor delineation and measurability of tumor size and depth of invasion in tongue squamous cell carcinoma
Tumor size and depth of invasion (DOI) are mandatory assessments for tumor classification in tongue cancer but are often non-assessable on CT due to dental artifacts. This study investigated whether subtractio...
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Article
A case of Epstein–Barr virus-positive mucocutaneous ulcer of the hypopharynx: a mimicker of hypopharyngeal squamous cell carcinoma
Epstein–Barr virus-positive mucocutaneous ulcer (EBVMCU) is a new disease, described by the World Health Organization in 2017. It has been recognized as a specific type of immunodeficiency-associated lymphopro...
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Article
Open AccessRelationship between surgical R0 resectability and findings of peripancreatic vascular invasion on CT imaging after neoadjuvant S-1 and concurrent radiotherapy in patients with borderline resectable pancreatic cancer
Borderline resectable pancreatic cancer (BRPC) is frequently associated with positive surgical margins and a poor prognosis because the tumor is in contact with major vessels. This study evaluated the relation...
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Article
Enhanced tumor response to radiotherapy after PD-1 blockade in metastatic gastric cancer
Immune checkpoint inhibitors may enhance the efficacy of radiotherapy (RT) in cancer treatment but the effect remains unknown in metastatic gastric cancer (mGC). This study aimed to compare the tumor shrinkage...
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Article
Extra-nodal extension in head and neck cancer: how radiologists can help staging and treatment planning
Extranodal extension (ENE) is a significant prognostic factor in p16-negative head and neck squamous-cell carcinoma and is classified as N3b by the American Joint Committee on Cancer 8th edition. While most pr...
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Article
A case of medial pterygoid muscle metastasis of lung cancer presenting with trismus
A man in his 60s with severe trismus was referred to our hospital. Based on computed tomography (CT), positron emission tomography/computed tomography (PET/CT), and biopsy, his initial diagnosis at another hos...
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Article
Imaging of extracranial head and neck lesions in cancer patients: a symptom-based approach
Besides intracranial lesions, neurological symptoms are also caused in cancer patients by extracranial lesions in the head and neck. Common symptoms caused by such lesions include visual loss, visual field def...
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Article
Open AccessEvaluation of liver function using gadolinium-ethoxybenzyl-diethylenetriamine pentaacetic acid enhanced magnetic resonance imaging based on a three-dimensional volumetric analysis system
Magnetic resonance imaging with gadolinium-ethoxybenzyl-diethylenetriamine pentaacetic acid (EOB-MRI) is a diagnostic modality for liver tumors. Three-dimensional (3D) volumetric analysis systems using EOB-MRI...
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Article
In Patients with a Soft Pancreas, a Thick Parenchyma, a Small Duct, and Fatty Infiltration Are Significant Risks for Pancreatic Fistula After Pancreaticoduodenectomy
This study sought to characterize soft and hard pancreatic textures radiologically and histologically, and to identify specific risks in a soft pancreas associated with postoperative pancreatic fistula (POPF) ...
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Article
Borderline resectable pancreatic cancer: rationale for multidisciplinary treatment
Borderline resectable pancreatic cancer (BRPC) appears to be most frequently related to a positive surgical margin and has a poor prognosis after resection. However, few reports are available on differences in...
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Article
Three-dimensional perfusion imaging of hepatocellular carcinoma using 256-slice multidetector-row computed tomography
The aim of this study was to evaluate the clinical capability of three-dimensional (3D) perfusion imaging of hepatocellular carcinoma (HCC) by performing dynamic scanning using a 256-slice multidetector-row CT...
