Background: Inflammatory pseudotumor is a rare lesion of the parotid gland. It usually presents as a mass lesion; thus, the clinical and radiologicfeatures often suggest malignancy. To the best of our knowledge, fine needle aspiration cytologic findings in parotid inflammatory pseudotumor have not been reported previously.
Case: A 59-year-old male presented with a palpable right parotid mass. Computed tomography revealed a mass measuring 2.5 cm in diameter. Fine needle aspiration cytology showed inflammatory cells, foamy histiocytes and groups of spindle-shaped cells without cytologic atypia. A diagnosis of inflammatory pseudotumor was suggested and was confirmed on histology.
Conclusion: In the presence of a clinically evident mass in the parotid gland and fine needle aspiration cytologic features of inflammatory cells with sheets of spindle cells, the diagnosis of inflammatory pseudotumor should be suspected. The differential diagnosis of this unusual parotid gland lesion principally includes sialadenitis and myoepithelioma.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1159/000326421 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Inflammatory pseudotumor-like extranodal classic Hodgkin lymphoma manifesting as bowel perforation in acquired immunodeficiency syndrome patient with disseminated leishmaniasis: a case report and approach to differential diagnosis.
J Gastrointest Oncol
December 2024
Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX, USA.
Background: Classic Hodgkin lymphoma (CHL) is an extremely common non-acquired immunodeficiency syndrome (AIDS) defining malignancy and its incidence is rising. CHL is usually present in the lymph node and extranodal involvement is rare. Primary CHL of the gastrointestinal (GI) tract is exceedingly rare.
View Article and Find Full Text PDFThis case report is about an 84-year-old female patient with a history of high-grade serous ovarian carcinoma who was diagnosed with a renal pseudotumor. Initial imaging in February 2023 showed signs of a renal cell carcinoma and possible lung metastases. A CT-guided biopsy and histopathological analysis ruled out malignancy and confirmed a benign inflammatory pseudotumor.
View Article and Find Full Text PDFFirst clinical utility of sensing Ultrasound Localization Microscopy (sULM): identifying renal pseudotumors.
Theranostics
January 2025
Sorbonne Université, CNRS, INSERM, Laboratoire d'Imagerie Biomédicale, Paris, France.
Renal pseudotumors, which mimic tumors on imaging, pose diagnostic challenges that can lead to unnecessary interventions. Sensing ultrasound localization microscopy (sULM) is an advanced imaging technique that uses ultrasound imaging and microbubbles as sensors to visualize kidney functional units. This study aims to investigate whether sULM could differentiate between renal pseudotumors and tumors based on the presence of glomeruli.
View Article and Find Full Text PDFPurpose: This study investigates the capabilities of ultrasonography (US) in determing the stage of orbital inflammation in patients with granulomatosis with polyangiitis (GPA).
Material And Methods: The study included 24 patients (8 men and 16 women) with diffuse orbital tissue involvement in GPA. Group 1 (active stage) included nine patients, while group 2 (inactive stage) consisted of 18 patients.
Locally Aggressive and Recurrent Facial Inflammatory Myofibroblastic Tumor in a Pediatric Patient.
J Craniofac Surg
January 2025
Department of Plastic Surgery, MedStar Georgetown University Hospital, Washington, DC.
Inflammatory myofibroblastic tumor (IMT) is a rare tumor type with a prognosis ranging from benign to locally aggressive. Initially described as a reactive lesion most commonly of the lungs, cases of IMT have now been reported in rare instances in the head and neck, which may be more aggressive than other tumor locations. IMT frequently afflicts children and adolescents, but pediatric cases of IMT in the head and neck region are rare.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!