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High‐Resolution Ultrasound Diagnosis of a Lateral Elbow Lump: A Ganglion Cyst in an Unexpected Location

Year: 2026

Type: article

Abstract: Posterolateral elbow ganglion cysts are extremely rare and have been previously documented almost exclusively on clinical and magnetic resonance imaging reports. Herein, we describe the rare case of a 38-year-old man presenting with an asymptomatic lateral elbow lump. High-resolution ultrasound obtained using high-frequency linear transducers demonstrated a well-defined anechoic cyst with a thin stalk extending toward the articular space, consistent with a posterolateral elbow ganglion. This case underscores the problem-solving role of high-resolution ultrasound in the evaluation of elbow lumps, enabling a prompt and accurate diagnosis of this entity despite its atypical and therefore unexpected location.

Source: Journal of Clinical Ultrasound

DOI: 10.1002/jcu.70391

Authors: Antonio Corvino, Corrado Tagliati, Giulio Cocco, Paola Mancini, Fabio Corvino, Orlando Catalano, Marco Becciolini, Andrea Boccatonda, Vincenzo Ricci

Institutions: Parthenope University of Naples, University of Chieti-Pescara, Ospedale San Filippo Neri, Ospedale Antonio Cardarelli, IRCCS Azienda Ospedliero-Universitaria di Bologna Policlinico di Sant'Orsola, Luigi Sacco Hospital

Language: English

Topic: Musculoskeletal synovial abnormalities and treatments

Subfield: Rheumatology

Field: Medicine

Domain: Health Sciences

SDG: Good health and well-being

Open Access status: bronze

OpenAlex ID: W7208809837

FWCI:

Cites: 16

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