Results 191 to 200 of about 251,396 (269)
Primary Pulmonary Epithelioid Inflammatory Myofibroblastic Sarcoma With SQSTM1::ALK Fusion
ABSTRACT Epithelioid inflammatory myofibroblastic sarcoma (EIMS) is a rare and aggressive variant of inflammatory myofibroblastic tumor (IMT) characterized by epithelioid morphology, atypical features, ALK rearrangements, and early metastatic potential.
Havva Gokce Terzioglu +2 more
wiley +1 more source
Dural contact in a high cervical paraspinal spindle cell neoplasm. [PDF]
Durak FO, Güneş M.
europepmc +1 more source
ABSTRACT Nodular fasciitis (NF) is a self‐limiting mesenchymal neoplasm that typically occurs in the subcutaneous tissue of the extremities, trunk, and head and neck region; involvement of the parotid gland is very rare. The cytological features of NF can closely mimic those seen in salivary gland neoplasms, particularly pleomorphic adenoma (PA ...
Xiaobing Jin +4 more
wiley +1 more source
Cytokeratin-Positive Pleomorphic Chest Wall Sarcoma Mimicking MPNST: A Case Report. [PDF]
Aldakak MA +5 more
europepmc +1 more source
ABSTRACT Background Primary pulmonary mesenchymal neoplasms with EWSR1::CREM fusion are rare. These lesions are challenging to diagnose by morphology and immunohistochemistry alone. Case A 66‐year‐old woman (ex‐smoker) was found to have a 1.3‐cm right lower lobe lung nodule that had grown very slowly over a 9‐year period.
Priya Upadhyay +2 more
wiley +1 more source
Sarcomatoid cutaneous squamous cell carcinoma of the heel: a rare localization of an aggressive variant of cutaneous squamous cell carcinoma. [PDF]
Farhat L +3 more
europepmc +1 more source
ABSTRACT Clear cell sarcoma of soft tissue (CCSST) with malignant effusion is a rare yet clinically aggressive appearance, which may pose a diagnostic pitfall with its overlapping cytomorphologic features with metastatic melanoma and carcinoma.
William H. Wu +2 more
wiley +1 more source
Exploration of sleep spindles from surgically induced unilaterally deaf adult humans with and without tinnitus. [PDF]
Park M +4 more
europepmc +1 more source
ABSTRACT Nephrogenic adenoma (NA) is a benign lesion of the genitourinary tract that may mimic malignancy both clinically and histologically. The fibromyxoid variant (FMNA), characterized by spindled cells in myxoid stroma, presents additional diagnostic challenges due to its rarity and overlapping features with renal cell carcinoma (RCC).
Jodi Gedallovich +4 more
wiley +1 more source
Nodular Fasciitis of the Piriformis Muscle Initially Concerning for Metastasis in a Patient With Previous History of Colon Adenocarcinoma: A Case Report. [PDF]
Charles R +5 more
europepmc +1 more source

