Items tagged “thymus”

26 results found
Article

Thymus

The thymus (plural: thymi) is a lymphoid organ in the anterior mediastinum responsible for the production and maturation of T-cells until puberty. It is a vital component of the immune system and plays a role in prevention of cancer 12, infection and autoimmunity 11. Gross anatomy It is relati...
Article

Thymic epithelial tumors

Thymic epithelial tumors are rare tumors arising from thymus in anterior mediastinum of middle age patients, these tumors encompass thymomas, invasive thymomas and thymic carcinoma. Despite their relative rarity, they are the most common primary neoplasm of the thymus and anterosuperior mediasti...
Case

Normal thymus - right sided

  Diagnosis certain
Frank Gaillard
Published 22 Jan 2010
69% complete
X-ray
Case

Prominent thymus - sail sign

  Diagnosis certain
Frank Gaillard
Published 03 Feb 2010
79% complete
X-ray
Case

Thymoma - metastatic

  Diagnosis certain
Frank Gaillard
Published 09 Feb 2010
92% complete
CT X-ray
Case

Thymoma

  Diagnosis certain
Frank Gaillard
Published 11 Feb 2010
86% complete
X-ray MRI
Article

Thymolipoma

Thymolipoma is a rare, benign anterior mediastinal mass of thymic origin, containing both thymic and mature adipose tissue.  Epidemiology Thymolipomas comprise ~5% (range 2-9%) of all thymic neoplasms, but are less common than a mediastinal lipoma of non-thymic origin. There is no recognized s...
Case

Thymolipoma

  Diagnosis probable
Natalie Yang
Published 04 Mar 2010
42% complete
CT
Article

Primary neoplasms of the thymus

Although primary tumors of the thymus are rare, they are the most common causes of a neoplasm of the anterosuperior mediastinum 1. thymoma (staging) one-third are benign two-thirds are malignant invasive thymoma (most) thymic carcinoma (rare) thymolipoma/thymoliposarcoma thymic cyst cong...
Article

WHO classification of thymic tumors

The World Health Organization (WHO) classification of tumors of the thymus is a component of the WHO classification of thoracic tumors, which was published in its 5th edition in 2021 1. It is a pathological classification of thymic epithelial tumors, including thymomas, thymic carcinomas, and ne...
Case

Encapsulated thymoma (gross pathology)

  Diagnosis not applicable
Frank Gaillard
Published 16 Mar 2010
44% complete
Pathology
Case

Non-invasive thymoma (histology)

  Diagnosis not applicable
Frank Gaillard
Published 16 Mar 2010
44% complete
Pathology
Article

Thymic rebound hyperplasia

Thymic rebound hyperplasia is considered a form of true thymic hyperplasia. Pathology In periods of bodily stress the thymus may acutely shrink to 40% of its original volume (depending on the severity and duration of the stress). During the recovery phase it can grow back to its original size ...
Article

Retrocaval thymus

Retrocaval thymus is defined as an ectopic location of thymus between the superior vena cava and great arteries. It is a rare finding and mostly asymptomatic. Radiographic features Plain radiograph may mimic mediastinal mass or right upper lobe collapse 2 CT and MRI soft tissue that is cons...
Case

Thymus mimicking lymphoma

  Diagnosis certain
Craig Hacking
Published 17 Jun 2015
92% complete
CT
Case

Thymic vein on CT

  Diagnosis certain
Craig Hacking
Published 18 Jun 2015
92% complete
CT
Article

Thymic notch sign

The thymic notch sign represents the normal thymus in a newborn on a frontal chest radiograph. Interruption of the cardiac silhouette forms a notch, which may be seen on either side, but more frequently is seen on the left side.   See also thymic sail sign thymic wave sign  
Article

Thymic sail sign

The thymic sail sign represents a triangular-shaped inferior margin of the normal thymus seen on a neonatal frontal chest radiograph. It is more commonly seen on the right side, but can also be bilateral. It is seen in 3-15% of all cases. This sign should not be confused with the spinnaker sail ...
Case

Normal thymus

  Diagnosis certain
Sigmund Stuppner
Published 20 May 2016
66% complete
X-ray
Case

Cervical ectopic thymus

  Diagnosis certain
Hakan Ayyildiz
Published 05 Jan 2019
94% complete
Ultrasound

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.