Valore della immunocitochimica nella diagnosi di masse laterocervicali in pazienti con pregresso carcinoma della tiroide.

Translated title of the contribution: Value of immunohistocytochemistry in the diagnosis of laterocervical masses in patients with a previous history of thyroid carcinoma

T. Pisani, R. Caponetti, A. Drusco, M. Mottolese, F. S. Intrieri, M. R. Giovagnoli

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

BACKGROUND: The aim of this study is to evaluate the additional diagnostic significance of immunocytochemical staining of thyreoglobulin (TG) in Fine Needle Aspiration Biopsy (FNAB) of neck lymph-nodes, in patients with a previous history of thyroid carcinoma. METHODS: Twenty-five smears performed by ultrasound-guided FNAB on laterocervical nodes with a 21-23 gauge needle were evaluates. All smears were stained according to Papanicolaou and microscopically examined. RESULTS: Of these 25 smears, 15 were diagnostic and 10 were non diagnostic. Of the 15 diagnostic cases, 10 were positive for metastatic lesions from thyroid neoplasm and the other 4 were classified as reactive lymphoadenitis. One smear for each case was selected for the immunohistochemical stain. All the 10 non-diagnostic cases showed no reaction to thyreoglobulin. Neoplastic cells, from 9 out of 11 cytologically positive smears, expressed thyreoglobulin in the cytoplasm. In one case no reaction was evident and the other one was discarded for technical reasons. In 3 of the 4 cases cytologically classified as lymphoadenitis, immunoreactive thyreoglobulin was not found. In the fourth case, blastic-like cells showed a scanty cytoplasmic rime which was immunoreactive for TG and thus was classified as a metastatic tumour. On this basis, it is suggested that FNAB should be performed routinelly in the diagnostic evaluation of neck masses of unknown origin in patients with a previous history of thyroid neoplasm. CONCLUSIONS: If the FNAB is inconclusive, a second aspiration should be performed while immunoperoxidase stain to evidentiate TG may be an adjuntive diagnostic tool in cytologically negative cases.

Original languageItalian
Pages (from-to)99-102
Number of pages4
JournalMinerva Endocrinologica
Volume22
Issue number4
Publication statusPublished - 1997

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Fine Needle Biopsy
Thyroid Neoplasms
Immunohistochemistry
Coloring Agents
Neck
Needles
Cytoplasm
Lymph Nodes
Staining and Labeling
Neoplasms

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Valore della immunocitochimica nella diagnosi di masse laterocervicali in pazienti con pregresso carcinoma della tiroide. / Pisani, T.; Caponetti, R.; Drusco, A.; Mottolese, M.; Intrieri, F. S.; Giovagnoli, M. R.

In: Minerva Endocrinologica, Vol. 22, No. 4, 1997, p. 99-102.

Research output: Contribution to journalArticle

Pisani, T. ; Caponetti, R. ; Drusco, A. ; Mottolese, M. ; Intrieri, F. S. ; Giovagnoli, M. R. / Valore della immunocitochimica nella diagnosi di masse laterocervicali in pazienti con pregresso carcinoma della tiroide. In: Minerva Endocrinologica. 1997 ; Vol. 22, No. 4. pp. 99-102.
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abstract = "BACKGROUND: The aim of this study is to evaluate the additional diagnostic significance of immunocytochemical staining of thyreoglobulin (TG) in Fine Needle Aspiration Biopsy (FNAB) of neck lymph-nodes, in patients with a previous history of thyroid carcinoma. METHODS: Twenty-five smears performed by ultrasound-guided FNAB on laterocervical nodes with a 21-23 gauge needle were evaluates. All smears were stained according to Papanicolaou and microscopically examined. RESULTS: Of these 25 smears, 15 were diagnostic and 10 were non diagnostic. Of the 15 diagnostic cases, 10 were positive for metastatic lesions from thyroid neoplasm and the other 4 were classified as reactive lymphoadenitis. One smear for each case was selected for the immunohistochemical stain. All the 10 non-diagnostic cases showed no reaction to thyreoglobulin. Neoplastic cells, from 9 out of 11 cytologically positive smears, expressed thyreoglobulin in the cytoplasm. In one case no reaction was evident and the other one was discarded for technical reasons. In 3 of the 4 cases cytologically classified as lymphoadenitis, immunoreactive thyreoglobulin was not found. In the fourth case, blastic-like cells showed a scanty cytoplasmic rime which was immunoreactive for TG and thus was classified as a metastatic tumour. On this basis, it is suggested that FNAB should be performed routinelly in the diagnostic evaluation of neck masses of unknown origin in patients with a previous history of thyroid neoplasm. CONCLUSIONS: If the FNAB is inconclusive, a second aspiration should be performed while immunoperoxidase stain to evidentiate TG may be an adjuntive diagnostic tool in cytologically negative cases.",
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AU - Intrieri, F. S.

AU - Giovagnoli, M. R.

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N2 - BACKGROUND: The aim of this study is to evaluate the additional diagnostic significance of immunocytochemical staining of thyreoglobulin (TG) in Fine Needle Aspiration Biopsy (FNAB) of neck lymph-nodes, in patients with a previous history of thyroid carcinoma. METHODS: Twenty-five smears performed by ultrasound-guided FNAB on laterocervical nodes with a 21-23 gauge needle were evaluates. All smears were stained according to Papanicolaou and microscopically examined. RESULTS: Of these 25 smears, 15 were diagnostic and 10 were non diagnostic. Of the 15 diagnostic cases, 10 were positive for metastatic lesions from thyroid neoplasm and the other 4 were classified as reactive lymphoadenitis. One smear for each case was selected for the immunohistochemical stain. All the 10 non-diagnostic cases showed no reaction to thyreoglobulin. Neoplastic cells, from 9 out of 11 cytologically positive smears, expressed thyreoglobulin in the cytoplasm. In one case no reaction was evident and the other one was discarded for technical reasons. In 3 of the 4 cases cytologically classified as lymphoadenitis, immunoreactive thyreoglobulin was not found. In the fourth case, blastic-like cells showed a scanty cytoplasmic rime which was immunoreactive for TG and thus was classified as a metastatic tumour. On this basis, it is suggested that FNAB should be performed routinelly in the diagnostic evaluation of neck masses of unknown origin in patients with a previous history of thyroid neoplasm. CONCLUSIONS: If the FNAB is inconclusive, a second aspiration should be performed while immunoperoxidase stain to evidentiate TG may be an adjuntive diagnostic tool in cytologically negative cases.

AB - BACKGROUND: The aim of this study is to evaluate the additional diagnostic significance of immunocytochemical staining of thyreoglobulin (TG) in Fine Needle Aspiration Biopsy (FNAB) of neck lymph-nodes, in patients with a previous history of thyroid carcinoma. METHODS: Twenty-five smears performed by ultrasound-guided FNAB on laterocervical nodes with a 21-23 gauge needle were evaluates. All smears were stained according to Papanicolaou and microscopically examined. RESULTS: Of these 25 smears, 15 were diagnostic and 10 were non diagnostic. Of the 15 diagnostic cases, 10 were positive for metastatic lesions from thyroid neoplasm and the other 4 were classified as reactive lymphoadenitis. One smear for each case was selected for the immunohistochemical stain. All the 10 non-diagnostic cases showed no reaction to thyreoglobulin. Neoplastic cells, from 9 out of 11 cytologically positive smears, expressed thyreoglobulin in the cytoplasm. In one case no reaction was evident and the other one was discarded for technical reasons. In 3 of the 4 cases cytologically classified as lymphoadenitis, immunoreactive thyreoglobulin was not found. In the fourth case, blastic-like cells showed a scanty cytoplasmic rime which was immunoreactive for TG and thus was classified as a metastatic tumour. On this basis, it is suggested that FNAB should be performed routinelly in the diagnostic evaluation of neck masses of unknown origin in patients with a previous history of thyroid neoplasm. CONCLUSIONS: If the FNAB is inconclusive, a second aspiration should be performed while immunoperoxidase stain to evidentiate TG may be an adjuntive diagnostic tool in cytologically negative cases.

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