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Abdominal Inflammatory Lesions Mimicking Malignancy: Imaging Pitfalls and Clues
Abrahão Elias-Neto1, Thais Fellinger Trindade1, Mariana Helena do Carmo1
1Department of Diagnostic Imaging, Escola Paulista de Medicina, Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil.
Abdominal inflammatory conditions can appear as cancer on imaging, causing confusion and unnecessary procedures. Recognizing these imaging mimics is crucial for accurate diagnosis and improved patient care.
Area of Science:
- Radiology
- Gastroenterology
- Pathology
Background:
- Abdominal inflammatory lesions often present imaging features similar to malignancies.
- This diagnostic challenge can lead to uncertainty and potentially harmful interventions.
Purpose of the Study:
- To review diverse inflammatory abdominal conditions that radiologically mimic neoplastic processes.
- To highlight key imaging findings and their clinical correlations for accurate differentiation.
Main Methods:
- Pictorial review of selected cases with inflammatory abdominal conditions.
- Analysis of imaging characteristics (mass-forming patterns, enhancement, diffusion restriction).
- Correlation with clinical and laboratory data.
Main Results:
- Demonstrated various inflammatory conditions (e.g., autoimmune pancreatitis, xanthogranulomatous cholecystitis, diverticulitis, peritoneal tuberculosis) mimicking cancer.
- Detailed key imaging findings that aid in distinguishing inflammation from neoplasm.
Conclusions:
- Accurate diagnosis of abdominal inflammatory lesions mimicking malignancy requires a multidisciplinary approach.
- Integrating imaging expertise with clinical context is essential for patient care and avoiding misdiagnosis.
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