thymic lesion

thymic lesion

A generic term for any neoplastic or non-neoplastic pathology arising in the thymus.

Thymic lesion
Non-neoplastic
▪ Acute involution;
▪ Cyst;
▪ Dysplasia;
▪ Hyperplasia:
  – Follicular;
  – Rebound;
  – True.
Neoplastic
▪ Epithelial:
  – Thymoma;
  – Atypical thymoma;
  – Thymic carcinoma;
  – Neuroendocrine carcinoma;
▪ Germ cell;
▪ Haematolymphoid;
▪ Mesenchymal.
References in periodicals archive ?
It is important to know the normal spectrum of radiographic appearance of thymus to avoid misdiagnosis of thymoma or any other thymic lesion.
Knowledge of the normal spectrum of thymic appearances is important to prevent over-diagnosing or underdiagnosing thymic lesions.
Computed tomography and pathologic correlations of thymic lesion.
In general, differentiation of lymphoma from other thymic lesions, particularly thymoma, is difficult on the basis of imaging findings alone, and diagnosis may require invasive procedures (15).
Thymic lesions in patients with myasthenia gravis: characterization with thallium 201 scintigraphy.
It describes clinical and surgical perspectives with comparison to other diagnostic modalities, thoracic and mediastinal anatomy, technical aspects of performing EBUS-TBNA, indications and diagnostic performance, specimen collection and processing, cytological evaluation and adequacy assessment, normal and nonneoplastic components, and pulmonary epithelial neoplasms, nonpulmonary metastatic carcinomas, nonepithelial neoplasms, thymic lesions and neoplasms, as well as contamination, background material, and artifacts.
Furthermore, after the review of the immunohistochemical studies and comparison with our patient's previous pituitary and thymic lesions, we excluded the diagnosis of LCH.
It has been suggested that certain fat-suppression MRI techniques, namely chemical shift imaging, are useful in differentiating thymic hyperplasia from other solid thymic lesions.
MRI may be advantageous in assessing the tissue content particularly in thymic lesions and in excluding vascular invasion.
Regarding this patient's case, prior to MRI evaluation, reasonable differential diagnoses may also have included lymphoma, thymoma or other thymic lesions, and germ cell tumors.
Since 1901, approximately 90 cases of aberrant cervical solid and cystic thymic lesions have been reported in the literature and were identified at either surgery or autopsy.
10] Most cervical thymic lesions are unilateral and, for unknown reasons, are more commonly reported on the left side and in male patients.