Items tagged “thyroid”
86 results found
Article
Papillary thyroid cancer
Papillary thyroid carcinoma (PTC) is the most common malignancy of the thyroid gland and frequently has nodal metastases at presentation.
Terminology
When the tumor measures <1 cm, the term micropapillary carcinoma (mPTC) is used 14.
Epidemiology
Papillary thyroid cancer (as is the case wit...
Article
Differentiated thyroid cancer (staging)
Differentiated thyroid cancer staging refers to TNM staging of papillary thyroid cancer and follicular thyroid cancer. Anaplastic thyroid carcinoma and medullary thyroid carcinoma are staged separately. The following article reflects the 8th edition manual published by the American Joint Committ...
Article
Assessment of thyroid lesions (general)
Assessment of thyroid lesions is commonly encountered in radiological practice.
Thyroid mass
hyperplastic/colloid nodule/nodular hyperplasia: 85%
adenoma
follicular: 5%
others: rare
primary thyroid cancer (carcinoma)
papillary: 60-80% of carcinomas
follicular: 10-20%
medullary: 5%
anap...
Article
Thyroidea ima artery
The thyroidea ima artery is an uncommon variant of the blood supply to the inferior aspect of the thyroid gland. It is reported in ~7.5% (range 1.5-12.2%) of individuals and can arise from:
brachiocephalic trunk (most common: 1.9-6.0%)
right common carotid artery
aortic arch
internal thoraci...
Case
Papillary thyroid cancer nodal metastases
Published
07 May 2008
95% complete
CT
Case
Goiter - intrathoracic
Published
05 Aug 2008
62% complete
CT
Case
Pyramidal thyroid lobe
Published
18 Sep 2008
65% complete
CT
Article
Follicular thyroid cancer
Follicular thyroid carcinoma (FTC) is the second most frequent malignancy of the thyroid gland after papillary cancer and accounts for 10-20% of all thyroid neoplasms.
Epidemiology
It typically occurs in women and in an older age group than papillary (i.e. 40-60 years of age).
Pathology
Unl...
Case
Thyroglossal duct cyst
Published
18 May 2009
75% complete
Ultrasound
CT
Case
Congenital hypothyroidism - lingual thyroid
Published
18 May 2009
91% complete
Nuclear medicine
Diagram
Article
Congenital hypothyroidism (mnemonic)
The features of an infant with congenital hypothyroidism can be recalled with the following mnemonic:
5 Ps
Mnemonic
P: pot belly
P: pallor
P: puffy face
P: protruding umbilicus
P: poked out tongue
Case
Thyroglossal duct cyst
Published
03 Nov 2009
42% complete
CT
Case
Skull metastases from thyroid malignancy
Published
20 Nov 2009
68% complete
CT
Article
Medullary thyroid carcinoma
Medullary thyroid carcinoma is a subtype of thyroid cancer that accounts for 5-10% of all thyroid malignancies. It occurs both sporadically (80%) and as a familial form.
Epidemiology
In non-familial cases, it typically peaks in the 3rd to 4th decades.
Associations
When familial, it is seen a...
Case
Papillary thyroid carcinoma with neck node metastases
Published
15 Dec 2009
74% complete
CT
Case
Pleural metastases - thyroid cancer
Published
11 Jan 2010
59% complete
CT
X-ray
Case
Papillary thyroid carcinoma - with miliary metastases
Published
14 Feb 2010
87% complete
X-ray
CT
Ultrasound
Case
Papillary thyroid carcinoma with miliary metastases
Published
19 Mar 2010
86% complete
CT
X-ray
Article
Anaplastic thyroid carcinoma
Anaplastic thyroid carcinoma is a highly aggressive form of thyroid cancer and accounts for ~1-2% of primary thyroid malignancies. Of all the subtypes, this carries the worst prognosis.
Epidemiology
Typically occurs in the elderly with the peak incidence in the 6th and 7th decades. A significa...
Case
Lingual thyroid
Published
04 Apr 2010
65% complete
Ultrasound
Nuclear medicine