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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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.

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

Typically, thymic hyperplasia has a homogenous mass which may lose signal on out-of-phase MR imaging.

Thymic Epidermoid Cyst: Clinical and Imaging Manifestations of This Rare Anterior Mediastinal Mass

The computed tomography scan explores the presence of a thymoma or thymic hyperplasia.

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

Chemical-shift MRI has been shown to be useful in distinguishing normal thymus and thymic hyperplasia from thymic neoplasms and lymphoma.

Computed tomographic evaluation of mediastinal masses

The one-year period was considered necessary in order to bypass any transient thymic hyperplasia that might occur in the first few months after surgery.

Evaluation of thymic changes after median sternotomy in children

Histologically, thymic hyperplasia can be divided into two distinct types: true hyperplasia and lymphoid (follicular) hyperplasia.

Thymic masses: a radiological review

Thymic hyperplasia is not an ordinary manifestation of Graves disease (GD).

Thymic hyperplasia presenting as a neck mass in Graves disease/Graves hastaliginda boyunda kitle seklinde gorulen timus hiperplazisi

The differential diagnosis includes thymoma, massive thymic hyperplasia, teratoma, thyroid goiter, and lymphoma.

Acute respiratory distress caused by massive thymolipoma

1) recently proved the benefit of thymectomy in patients with nonthymomatous myasthenia gravis, including lymphoid thymic hyperplasia, for improving clinical outcomes and reducing the need for immunosuppressive therapy," we would like to underline that our manuscript reads "while thymectomy is often performed for thymoma, it is not therapeutic for thymic hyperplasia.

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True thymic hyperplasia is diagnosed when there is >50% increase in thymic volume over baseline, usually within a year of the stress period, with preserved microscopic features.