FLCN gene-mutated renal cell neoplasms: Mother and daughter cases with a novel germline mutation

被引:10
|
作者
Nagashima, Yoji [1 ]
Furuya, Mitsuko
Gotohda, Hiroko [2 ]
Takagi, Seiji [3 ]
Hes, Ondrej [7 ]
Michal, Michal [7 ]
Grossmann, Petr [7 ]
Tanaka, Reiko [4 ]
Nakatani, Yukio [5 ]
Kuroda, Naoto [6 ]
机构
[1] Yokohama City Univ, Grad Sch Med, Dept Mol Pathol, Kanazawa Ku, Yokohama, Kanagawa 2360004, Japan
[2] JA Hokkaido Koseiren Sapporo Kousei Hosp, Div Pathol, Sapporo, Hokkaido, Japan
[3] JA Hokkaido Koseiren Kucchan Kosei Hosp, Div Urol, Kucchan, Japan
[4] Chiba Univ, Med Mycol Res Ctr, Chiba, Japan
[5] Chiba Univ, Grad Sch Med, Dept Diagnost Pathol, Chiba, Japan
[6] Kochi Red Cross Hosp, Div Diagnost Pathol, Kochi, Japan
[7] Charles Univ Hosp, Dept Pathol, Plzen, Czech Republic
关键词
Birt-Hogg-Dube syndrome; chromophobe renal cell carcinoma; FCLN gene; hybrid oncocytic; chromophobe tumor; mutation; oncocytoma; HOGG-DUBE-SYNDROME; ACTIVATION; CARCINOMA; TUMORS;
D O I
10.1111/j.1442-2042.2011.02945.x
中图分类号
R5 [内科学]; R69 [泌尿科学(泌尿生殖系疾病)];
学科分类号
1002 ; 100201 ;
摘要
Birt-Hogg-Dube syndrome is a familial genodermatosis, of which patients frequently develop renal neoplasms, fibrofolliculomas and pneumatocele. Here, we report a mother and daughter with renal neoplasms surgically resected (69 and 46 years-of-age at surgery, respectively). The mother's tumor was diagnosed as an unclassified type renal cell carcinoma associated with microscopic tumorous nodules, whereas the daughter's tumor was a hybrid oncocytic/chromophobe tumor. The germline mutation analysis of the responsible gene, FCLN (the folliculin gene), showed a deletion of 18 bp in exon 5 (c.332_349del/p.H111_Q116del), predicting an alteration of the amino acid sequence of HPSHPQ replaced by a single amino acid, L. This is a novel germline mutation of the FCLN gene that has not been previously reported.
引用
收藏
页码:468 / 470
页数:3
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