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Ciliary Body Medulloepithelioma: Clinical and Pathologic Challenges with a Focus on Molecular Genetics.
Semin Ophthalmol
January 2025
Department of Ophthalmology, Sidney Kimmel Medical College of Thomas Jefferson University, Philadelphia, PA, USA.
Objective: Ciliary body medulloepithelioma (CBME), a pediatric intraocular tumor with potential for locally aggressive behavior and metastasis, may present with a diverse spectrum of clinical and histopathologic features leading to diagnostic and management challenges. Examination of unusual CBME cases highlights challenges and modern diagnostic techniques which facilitate accurate diagnosis and guide management.
Methods: A retrospective clinicopathologic analysis of 6 patients with unusual clinical or pathologic features of CBME was performed.
Atypical choroid plexus papilloma arising in a mature ovarian teratoma, a case report.
Pathol Int
January 2025
Department of Pathology and Laboratory Medicine, University of Texas McGovern Medical School at Houston, Houston, Texas, USA.
Squamous Cell Carcinoma Originating From Mature Cystic Teratoma of the Ovary Diagnosed 10 Years After Initial Tumor Detection: A Case Report.
Cureus
December 2024
Obstetrics and Gynecology, Marunouchi Hospital, Matsumoto, JPN.
Malignant transformation is a rare complication of ovarian mature cystic teratoma that occurs in 1-3% of cases. We herein report a case of squamous cell carcinoma originating from mature cystic teratoma of the ovary diagnosed 10 years after initial tumor detection. A 69-year-old woman presented to the Department of Internal Medicine with a seven-month history of abdominal fullness.
View Article and Find Full Text PDFTrichoptysis: a pathognomonic presentation of anterior mediastinal teratoma.
BMJ Case Rep
January 2025
Surgical Oncology, Sri Ramachandra Institute of Higher Education and Research, Chennai, Tamil Nadu, India.
Germ cell tumours are usually found in the gonads, while the most common extragonadal site is the anterior mediastinum. When these tumours involve the tracheobronchial tree, patients present with trichoptysis or coughing up of hair. We present a rare case of a woman who presented with trichoptysis and was evaluated and diagnosed with benign mature teratoma of the anterior mediastinum with bronchopulmonary involvement.
View Article and Find Full Text PDFIgG-NR2B-A Potentially Valuable Biomarker in the Management of Refractory Anti-NMDAR Encephalitis.
Int J Mol Sci
January 2025
Department of Pathology, Faculty of Health Care and Social Work, Trnava University and University Hospital, 917 02 Trnava, Slovakia.
The autoantibodies against the NR1 subunit are well known in the pathomechanism of NMDAR encephalitis. The dysfunction of the NR2 subunit could be a critical factor in this neurological disorder due to its important role in the postsynaptic pathways that direct synaptic plasticity. We report a case of paraneoplastic anti-NMDAR encephalitis presented alongside very severe illness.
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