Utilidad de la detección de tiroglobulina en el aspirado de punción ganglionar cervical en el seguimiento de pacientes con cancer papilar de tiroides
Background: During the detection ofneck recurrence in patients with Papillary Thyroid Carcinoma (PTC), sometimes it is difficult to distinguish metastatic from inflammatory neck lymph nodes. The measurement of serum thyroglobulin (sTg) under thyroid hormone suppression therapy the presence of serum...
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Sociedad Médica de Santiago
2008
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oai:scielo:S0034-988720080009000032008-11-12Utilidad de la detección de tiroglobulina en el aspirado de punción ganglionar cervical en el seguimiento de pacientes con cancer papilar de tiroidesVéliz,JesúsBrantes,SergioRamos,ClaudiaAguayo,JaimeCáceres,EdithHerrera,MónicaBarber,AnaBarría,ManuelWohllk,Nelson Biopsy, fine-needle Neoplasm metastasis Thyroid neoplasms Background: During the detection ofneck recurrence in patients with Papillary Thyroid Carcinoma (PTC), sometimes it is difficult to distinguish metastatic from inflammatory neck lymph nodes. The measurement of serum thyroglobulin (sTg) under thyroid hormone suppression therapy the presence of serum thyroglobulin antibodies (sAbTg), the diagnostic whole body sean and cytology can give false negative results. Measurement of thyroglobulin in the washout fluid from fine-needle aspiration biopsy (FNAB) of suspicious neck lymph nodes could improve the diagnostic aecuracy Aim: To evaluate the usefulness of detecting Tg in lymph nodes (LTg) suspicious by ultrasonography (US) and compare it to cytology. Patients and Methods: Between the years 2004 and 2007 we prospectively studied 30 patients with PTC and cervical US findings of suspicious recurrence. LTg was assayed in US guided FNAB used for cytology. Results: Sixteen out of 30 patients underwent surgery using as selective criteria an LTg higher than sTg or a positive cytology. Surgery confirmed the presence of metástasis in all 15 patients with positive LTg (8 with positive cytology) and in 1 patient with negative LTg and positive cytology (a case with undifferentiated thyroid cancer). The sensitivity was 93.7% for LTg and 56.2% for cytology. We identified byLTg 3 of 6 patients with undetectable sTg and positive sAbTg. Conclusions: The presence of LTg showed a higher sensitivity than cytology for the detection of cervical lymph node metástasis. This method is useful even in the presence ofsAbTg.info:eu-repo/semantics/openAccessSociedad Médica de SantiagoRevista médica de Chile v.136 n.9 20082008-09-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872008000900003es10.4067/S0034-98872008000900003 |
| institution |
Scielo Chile |
| collection |
Scielo Chile |
| language |
Spanish / Castilian |
| topic |
Biopsy, fine-needle Neoplasm metastasis Thyroid neoplasms |
| spellingShingle |
Biopsy, fine-needle Neoplasm metastasis Thyroid neoplasms Véliz,Jesús Brantes,Sergio Ramos,Claudia Aguayo,Jaime Cáceres,Edith Herrera,Mónica Barber,Ana Barría,Manuel Wohllk,Nelson Utilidad de la detección de tiroglobulina en el aspirado de punción ganglionar cervical en el seguimiento de pacientes con cancer papilar de tiroides |
| description |
Background: During the detection ofneck recurrence in patients with Papillary Thyroid Carcinoma (PTC), sometimes it is difficult to distinguish metastatic from inflammatory neck lymph nodes. The measurement of serum thyroglobulin (sTg) under thyroid hormone suppression therapy the presence of serum thyroglobulin antibodies (sAbTg), the diagnostic whole body sean and cytology can give false negative results. Measurement of thyroglobulin in the washout fluid from fine-needle aspiration biopsy (FNAB) of suspicious neck lymph nodes could improve the diagnostic aecuracy Aim: To evaluate the usefulness of detecting Tg in lymph nodes (LTg) suspicious by ultrasonography (US) and compare it to cytology. Patients and Methods: Between the years 2004 and 2007 we prospectively studied 30 patients with PTC and cervical US findings of suspicious recurrence. LTg was assayed in US guided FNAB used for cytology. Results: Sixteen out of 30 patients underwent surgery using as selective criteria an LTg higher than sTg or a positive cytology. Surgery confirmed the presence of metástasis in all 15 patients with positive LTg (8 with positive cytology) and in 1 patient with negative LTg and positive cytology (a case with undifferentiated thyroid cancer). The sensitivity was 93.7% for LTg and 56.2% for cytology. We identified byLTg 3 of 6 patients with undetectable sTg and positive sAbTg. Conclusions: The presence of LTg showed a higher sensitivity than cytology for the detection of cervical lymph node metástasis. This method is useful even in the presence ofsAbTg. |
| author |
Véliz,Jesús Brantes,Sergio Ramos,Claudia Aguayo,Jaime Cáceres,Edith Herrera,Mónica Barber,Ana Barría,Manuel Wohllk,Nelson |
| author_facet |
Véliz,Jesús Brantes,Sergio Ramos,Claudia Aguayo,Jaime Cáceres,Edith Herrera,Mónica Barber,Ana Barría,Manuel Wohllk,Nelson |
| author_sort |
Véliz,Jesús |
| title |
Utilidad de la detección de tiroglobulina en el aspirado de punción ganglionar cervical en el seguimiento de pacientes con cancer papilar de tiroides |
| title_short |
Utilidad de la detección de tiroglobulina en el aspirado de punción ganglionar cervical en el seguimiento de pacientes con cancer papilar de tiroides |
| title_full |
Utilidad de la detección de tiroglobulina en el aspirado de punción ganglionar cervical en el seguimiento de pacientes con cancer papilar de tiroides |
| title_fullStr |
Utilidad de la detección de tiroglobulina en el aspirado de punción ganglionar cervical en el seguimiento de pacientes con cancer papilar de tiroides |
| title_full_unstemmed |
Utilidad de la detección de tiroglobulina en el aspirado de punción ganglionar cervical en el seguimiento de pacientes con cancer papilar de tiroides |
| title_sort |
utilidad de la detección de tiroglobulina en el aspirado de punción ganglionar cervical en el seguimiento de pacientes con cancer papilar de tiroides |
| publisher |
Sociedad Médica de Santiago |
| publishDate |
2008 |
| url |
http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872008000900003 |
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