Prolactinoma classification: Difference between revisions
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==Classification== | ==Classification== | ||
Prolactinoma may be classified based on either size or local invasion. | Prolactinoma may be classified based on either size or local invasion. | ||
=== | ===Classification based on size=== | ||
Based on size, a prolactinoma can be classified as: | Based on size, a prolactinoma can be classified as: | ||
*Microprolactinoma (<10 mm diameter) | *Microprolactinoma (<10 mm diameter) | ||
*Macroprolactinoma (>10 mm diameter) | *Macroprolactinoma (>10 mm diameter) | ||
=== | ===Classificatioin based on local invasion<ref name="urlPituitary Tumors Treatment (PDQ®)—Health Professional Version - National Cancer Institute">{{cite web |url=https://www.cancer.gov/types/pituitary/hp/pituitary-treatment-pdq#cit/section_3.3 |title=Pituitary Tumors Treatment (PDQ®)—Health Professional Version - National Cancer Institute |format= |work= |accessdate=}}</ref><ref name="pmid09436654">{{cite journal| author=Yeh PJ, Chen JW| title=Pituitary tumors: surgical and medical management. | journal=Surg Oncol | year= 1997 | volume= 6 | issue= 2 | pages= 67-92 | pmid=09436654 | doi= | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=9436654 }}</ref><ref>Hardy J: Transsphenoidal surgery of hypersecreting pituitary tumors. In: Kohler PO, Ross GT, eds.: Diagnosis and treatment of pituitary tumors: proceedings of a conference sponsored jointly by the National Institute of Child Health and Human Development and the National Cancer Institute, January 15-17, 1973, Bethesda, Md. Amsterdam, The Netherlands: Excerpta medica, 1973, pp 179-98</ref>=== | ||
The classification for pituitary adenomas is as follows: | |||
*0: Normal [[pituitary]] appearance | *0: Normal [[pituitary]] appearance | ||
*I: Enclosed within the [[sella turcica]], microadenoma, smaller than 10 mm | *I: Enclosed within the [[sella turcica]], microadenoma, smaller than 10 mm | ||
| Line 19: | Line 20: | ||
*III: Invasive, locally, into the sella | *III: Invasive, locally, into the sella | ||
*IV: Invasive, diffusely, into the sella | *IV: Invasive, diffusely, into the sella | ||
The grading | The grading scheme for suprasellar extensions is as follows: | ||
*A: | *A: 0 to 10 mm [[suprasellar]] extension occupying the [[suprasellar]]cistern | ||
*B: | *B: 10 mm to 20 mm extension and elevation of the third [[ventricle]] | ||
*C: 20 mm to 30 mm extension occupying the [[anterior]] of the third [[ventricle]] | *C: 20 mm to 30 mm extension occupying the [[anterior]] of the third [[ventricle]] | ||
*D: A larger than 30 mm extension, beyond the [[foramen]] of Monro, or Grade C with lateral extensions | *D: A larger than 30 mm extension, beyond the [[foramen]] of Monro, or Grade C with lateral extensions | ||
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Faizan Sheraz, M.D. [2]
Overview
Prolactinoma can be classified based upon either size or local invasion. Based on size, a prolactinoma can be classified as a microprolactinoma (<10 mm diameter) or macroprolactinoma (>10 mm diameter).
Classification
Prolactinoma may be classified based on either size or local invasion.
Classification based on size
Based on size, a prolactinoma can be classified as:
- Microprolactinoma (<10 mm diameter)
- Macroprolactinoma (>10 mm diameter)
Classificatioin based on local invasion[1][2][3]
The classification for pituitary adenomas is as follows:
- 0: Normal pituitary appearance
- I: Enclosed within the sella turcica, microadenoma, smaller than 10 mm
- II: Enclosed within the sella turcica, macroadenoma, 10 mm or larger
- III: Invasive, locally, into the sella
- IV: Invasive, diffusely, into the sella
The grading scheme for suprasellar extensions is as follows:
- A: 0 to 10 mm suprasellar extension occupying the suprasellarcistern
- B: 10 mm to 20 mm extension and elevation of the third ventricle
- C: 20 mm to 30 mm extension occupying the anterior of the third ventricle
- D: A larger than 30 mm extension, beyond the foramen of Monro, or Grade C with lateral extensions
References
- ↑ "Pituitary Tumors Treatment (PDQ®)—Health Professional Version - National Cancer Institute".
- ↑ Yeh PJ, Chen JW (1997). "Pituitary tumors: surgical and medical management". Surg Oncol. 6 (2): 67–92. PMID 09436654.
- ↑ Hardy J: Transsphenoidal surgery of hypersecreting pituitary tumors. In: Kohler PO, Ross GT, eds.: Diagnosis and treatment of pituitary tumors: proceedings of a conference sponsored jointly by the National Institute of Child Health and Human Development and the National Cancer Institute, January 15-17, 1973, Bethesda, Md. Amsterdam, The Netherlands: Excerpta medica, 1973, pp 179-98