Items tagged “thymus”

19 results found
Article

Thymus

The thymus is a T-cell producing lymphoid organ in the anterior mediastinum that plays a role in the development of the immune system, particular the maturation of T-cells. It typically has a retrosternal location and hence can mimic retrosternal pathology. Gross anatomy It is relatively large...
Article

Thymic epithelial tumours

Thymic epithelial tumours are rare tumours arising from thymus in anterior mediastinum of middle age patients. However, they are still the most common primary neoplasm of the thymus and anterosuperior mediastinum. This article discusses thymomas, invasive thymomas and thymic carcinoma. Epidemio...
Case

Thymus - right sided

Thymus - right si...
 Diagnosis certain
A.Prof Frank Gaillard
Published 22 Jan 2010
63% complete
X-ray
Case

Prominent thymus - sail sign

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

Thymoma - metastatic

Thymoma
 Diagnosis certain
A.Prof Frank Gaillard
Published 09 Feb 2010
59% complete
X-rayCT
Case

Thymoma

 Diagnosis certain
A.Prof Frank Gaillard
Published 11 Feb 2010
71% complete
X-rayMRI
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 recognised s...
Case

Thymolipoma

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

Primary neoplasms of the thymus

Although primary tumours 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 con...
Article

WHO classification scheme for thymic epithelial tumours

The WHO classification scheme for thymic epithelial tumours is one of many classifications systems for thymoma and related tumours, and classifies them according to histology: type a medullary thymoma spindle cell thymoma type ab: mixed thymoma type b1: lymphocyte rich predominantly cortic...
Case

Encapsulated thymoma (gross pathology)

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

Non-invasive thymoma

Fig 1: non-invasi...
 Diagnosis not applicable
A.Prof Frank Gaillard
Published 16 Mar 2010
32% complete
Pathology
Article

Thymic rebound hyperplasia

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 or even larger (up to 50% larger). This "rebound effect" is known as thymic rebound hype...
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
Dr Craig Hacking
Published 17 Jun 2015
92% complete
CT
Case

Thymic vein on CT

 Diagnosis certain
Dr 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. 
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
Dr Sigmund Stuppner
Published 20 May 2016
69% complete
X-ray

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