thymic hyperplasia

A generic term for an increase in size and weight of the thymus, which may be true hyperplasia (e.g., rebound hyperplasia post-chemotherapy) or “pseudohyperplasia”, in which the normal architectural is maintained with a marked increase in germinal centres, often associated with autoimmune disease (in particular myasthenia gravis).

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We encountered also a case of thymic lipoma and thymic hyperplasia each (Fig.

HISTOPATHOLOGICAL SPECTRUM OF MEDIASTINAL LESIONS IN A TERTIARY CARE CENTRE, ANDHRA PRADESH, INDIA

Also HRCT images were evaluated in the mediastinal window for the presence of thymic hyperplasia (TH) (increased thymic thickness with [greater than or equal to]13 mm), MLNE (MLNE) (increased short-axis diameter with [greater than or equal to]10 mm), pleural or pericardial abnormalities (effusion or thickening).

Extra-Parenchymal Chest HRCT Findings in Patients with Systemic Sclerosis at the Time of Initial Diagnosis

Contrary to true thymic hyperplasia, thymic lymphoid hyperplasia has diverse types and shapes.

A Thymic Hyperplasia Case without Suppressing on Chemical Shift Magnetic Resonance Imaging

Thymic hyperplasia is defined as an enlarged thymus composed of normal thymic lobules with preserved corticomedullary differentiation [2].

Mediastinal Ectopic Pancreas with Abundant Endocrine Cells Coexisting with Mediastinal Cyst and Thymic Hyperplasia

In general there are two types of thymic hyperplasia: true thymic hyperplasia and lymphoid thymic hyperplasia.

Imaging evaluation of pediatric mediastinal masses: Pearls and pitfalls

First, in the introduction, the authors reported that thymectomy is not therapeutic for thymic hyperplasia. This information is inaccurate because, although myasthenia gravis is an exclusion criterion, Wolfe et al.

CT perfusion in characterizing anterior mediastinal solid tumors

Thymic hyperplasia and neoplasia: a review of current concepts.

Evolution of Classification of Thymic Epithelial Tumors in the Era of Dr Thomas V. Colby

[13] suggested that thymic hyperplasia is associated with Graves' disease and that thymic TSHR may act as an autoantigen involved in the pathophysiology of Graves' disease.

Berrih-Aknin, "Microarrays reveal distinct gene signatures in the thymus of seropositive and seronegative myasthenia gravis patients and the role of CC chemokine ligand 21 in thymic hyperplasia," Journal of Immunology, vol.

Comment on "Detecting Key Genes Regulated by miRNAs in Dysfunctional Crosstalk Pathway of Myasthenia Gravis"

analyzed the qualitative and quantitative values of CT and CS-MRI in differentiating between THA and lymphoid thymic hyperplasia (lTH) among 83 patients with MG.

The Effect of Diagnostic Imaging on Surgical Treatment Planning in Diseases of the Thymus

In light of these pathologic findings as well as the medical history and clinical response to vitamin K and FFP, the final diagnosis for this patient was thymic hemorrhage secondary to vitamin K deficiency, with possible component of thymic hyperplasia. The patient's respiratory distress resolved over a few days and he was discharged home on hospital day #7 with follow-up by his general pediatrician.

Vitamin K Deficiency Presenting in an Infant with an Anterior Mediastinal Mass: A Case Report and Review of the Literature

The computed tomography scan explores the presence of a thymoma or thymic hyperplasia. Autoimmune thyroid diseases such as Graves' disease and antibody positive thyroid disease were diagnosed on the basis of clinical features, thyroid ultrasonography, and serum thyroxin and related autoantibody levels.

Clinical Features and Prognosis of Ocular Myasthenia Gravis Patients with Different Phenotypes

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