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Difference between revisions of "Pituitary gland"
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*Acidophilic stem cell adenomas: large, locally invasive adenoma with low GH activity. <ref>{{Cite journal | last1 = Horvath | first1 = E. | last2 = Kovacs | first2 = K. | last3 = Singer | first3 = W. | last4 = Smyth | first4 = HS. | last5 = Killinger | first5 = DW. | last6 = Erzin | first6 = C. | last7 = Weiss | first7 = MH. | title = Acidophil stem cell adenoma of the human pituitary: clinicopathologic analysis of 15 cases. | journal = Cancer | volume = 47 | issue = 4 | pages = 761-71 | month = Feb | year = 1981 | doi = | PMID = 6261917 }}</ref> | *Acidophilic stem cell adenomas: large, locally invasive adenoma with low GH activity. <ref>{{Cite journal | last1 = Horvath | first1 = E. | last2 = Kovacs | first2 = K. | last3 = Singer | first3 = W. | last4 = Smyth | first4 = HS. | last5 = Killinger | first5 = DW. | last6 = Erzin | first6 = C. | last7 = Weiss | first7 = MH. | title = Acidophil stem cell adenoma of the human pituitary: clinicopathologic analysis of 15 cases. | journal = Cancer | volume = 47 | issue = 4 | pages = 761-71 | month = Feb | year = 1981 | doi = | PMID = 6261917 }}</ref> | ||
*Sparsely granulated somatotroph adenomas are more invasive than other variants and respond less to medical treatment<ref>{{Cite journal | last1 = Kato | first1 = M. | last2 = Inoshita | first2 = N. | last3 = Sugiyama | first3 = T. | last4 = Tani | first4 = Y. | last5 = Shichiri | first5 = M. | last6 = Sano | first6 = T. | last7 = Yamada | first7 = S. | last8 = Hirata | first8 = Y. | title = Differential expression of genes related to drug responsiveness between sparsely and densely granulated somatotroph adenomas. | journal = Endocr J | volume = 59 | issue = 3 | pages = 221-8 | month = | year = 2012 | doi = | PMID = 22200580 }}</ref> | *Sparsely granulated somatotroph adenomas are more invasive than other variants and respond less to medical treatment<ref>{{Cite journal | last1 = Kato | first1 = M. | last2 = Inoshita | first2 = N. | last3 = Sugiyama | first3 = T. | last4 = Tani | first4 = Y. | last5 = Shichiri | first5 = M. | last6 = Sano | first6 = T. | last7 = Yamada | first7 = S. | last8 = Hirata | first8 = Y. | title = Differential expression of genes related to drug responsiveness between sparsely and densely granulated somatotroph adenomas. | journal = Endocr J | volume = 59 | issue = 3 | pages = 221-8 | month = | year = 2012 | doi = | PMID = 22200580 }}</ref> | ||
==Pituitary blastoma== | |||
* New entity introduced in 2017<ref>{{Cite journal | last1 = Lopes | first1 = MBS. | title = The 2017 World Health Organization classification of tumors of the pituitary gland: a summary. | journal = Acta Neuropathol | volume = 134 | issue = 4 | pages = 521-535 | month = Oct | year = 2017 | doi = 10.1007/s00401-017-1769-8 | PMID = 28821944 }}</ref> | |||
* Epithelial glands with rosette-like formations resembling immature Rathke epithelium. | |||
* Synaptophysin +ve, usu. ACTH+ve | |||
* DICER1 mutations<ref>{{Cite journal | last1 = de Kock | first1 = L. | last2 = Sabbaghian | first2 = N. | last3 = Plourde | first3 = F. | last4 = Srivastava | first4 = A. | last5 = Weber | first5 = E. | last6 = Bouron-Dal Soglio | first6 = D. | last7 = Hamel | first7 = N. | last8 = Choi | first8 = JH. | last9 = Park | first9 = SH. | title = Pituitary blastoma: a pathognomonic feature of germ-line DICER1 mutations. | journal = Acta Neuropathol | volume = 128 | issue = 1 | pages = 111-22 | month = Jul | year = 2014 | doi = 10.1007/s00401-014-1285-z | PMID = 24839956 }}</ref> | |||
==Pituitary carcinoma== | ==Pituitary carcinoma== | ||