Spleen can be affected by a variety of diseases and cytology represents a useful diagnostic technique. However, few studies have addressed the accuracy of cytology in the evaluation of splenic lesions and specifically of neoplasms. The aim of the study is to evaluate the cyto-histological correlation in the diagnosis of canine splenic tumors. Splenic cytological and corresponding histopathological samples obtained between 1998 and 2013 were retrospectively evaluated. Concordance between cytology and histology was determined. Accuracy, sensibility, specificity, positive and negative predictive value of cytology for the diagnosis of splenic neoplasias was determined considering histopathology as the gold standard. Sixty-seven cases were collected. Thirty-one cytological samples were classified as non-neoplastic (12 true negatives, 19 false negatives compared with histopathology). Cytological diagnosis of neoplasia was obtained in 36 cases (33 true positives and 3 false positive). Cytological diagnosis was in agreement with the histopathological diagnosis in 67.2% (45/67) of cases. Cytology had a sensitivity of 89.3%, a specificity of 80%, a positive predictive value of 91.2%, and a negative predictive value of 38.7% in the diagnosis of splenic neoplasms. The majority of cases were non neoplastic (31/67). The most common tumors were sarcomas (20/67) followed by lymphoma (7/67). Although cytopathology and histopathology should be considered complementary techniques in the diagnosis of splenic lesions, cytology demonstrated to be a useful and sensitive tool for the diagnosis of splenic neoplasias.
L’esame citologico della milza rappresenta un’importante ed utile tecnica nella diagnosi delle patologie che possono coinvolgere il parenchima splenico ed, in particolare, nei disordini neoplastici. Tuttavia, in letteratura esistono pochi studi che ne valutano l’attendibilità. Lo scopo di questo studio è quello di valutare la correlazione cito-istologica nella diagnosi delle neoplasie spleniche del cane. E’ stata effettuata una ricerca retrospettiva di prelievi citologici ed istologici di lesioni spleniche per un periodo che va dal 1998 al 2013. Sono stati valutati l’accuratezza, la sensibilità, la specificità dell’indagine citologica ed i valori predittivi dei risultati positivi e negativi utilizzando l’esame istologico come gold standard. Venivano raccolti un totale di 67 casi. Trentuno casi venivano diagnosticati come non neoplastici alla citologia (12 veri negativi e 19 falsi negativi), mentre in trentasei casi è stata emessa una diagnosi citologica definitiva di neoplasia (33 veri positivi e 3 falsi positivi). La diagnosi citologica ed istologica concordavano nel 67.2% dei casi (45/67). L’esame citologico della milza ha dimostrato una sensibilità pari all’89%, una specificità pari all’80%, un valore predittivo positivo pari al 91.2% ed un valore predittivo negativo pari al 38.7%. Alla citologia la maggior parte dei casi venivano diagnosticati come non neoplastici (31/67). I sarcomi erano i tumori più frequentemente diagnosticati (20/67), seguiti dai linfomi (7/67). Sebbene l’esame citologico e istologico debbano essere ritenuti complementari nell’iter diagnostico delle patologie spleniche, in base ai risultati ottenuti, la citologia può essere considerata una tecnica diagnostica utile e sensibile nella diagnosi delle neoplasie spleniche.
Correlazione tra indagine citologica ed istologica nella diagnosi delle neoplasie spleniche del cane / A. Forlani, M. Caniatti, S.F. Santagostino, B. Rotondi, C. Luraschi, P. Roccabianca. ((Intervento presentato al 10. convegno Congresso Nazionale AIPVet tenutosi a Giulianova Lido (TE) nel 2013.
Correlazione tra indagine citologica ed istologica nella diagnosi delle neoplasie spleniche del cane
A. ForlaniPrimo
;M. CaniattiSecondo
;S.F. Santagostino;P. RoccabiancaUltimo
2013
Abstract
Spleen can be affected by a variety of diseases and cytology represents a useful diagnostic technique. However, few studies have addressed the accuracy of cytology in the evaluation of splenic lesions and specifically of neoplasms. The aim of the study is to evaluate the cyto-histological correlation in the diagnosis of canine splenic tumors. Splenic cytological and corresponding histopathological samples obtained between 1998 and 2013 were retrospectively evaluated. Concordance between cytology and histology was determined. Accuracy, sensibility, specificity, positive and negative predictive value of cytology for the diagnosis of splenic neoplasias was determined considering histopathology as the gold standard. Sixty-seven cases were collected. Thirty-one cytological samples were classified as non-neoplastic (12 true negatives, 19 false negatives compared with histopathology). Cytological diagnosis of neoplasia was obtained in 36 cases (33 true positives and 3 false positive). Cytological diagnosis was in agreement with the histopathological diagnosis in 67.2% (45/67) of cases. Cytology had a sensitivity of 89.3%, a specificity of 80%, a positive predictive value of 91.2%, and a negative predictive value of 38.7% in the diagnosis of splenic neoplasms. The majority of cases were non neoplastic (31/67). The most common tumors were sarcomas (20/67) followed by lymphoma (7/67). Although cytopathology and histopathology should be considered complementary techniques in the diagnosis of splenic lesions, cytology demonstrated to be a useful and sensitive tool for the diagnosis of splenic neoplasias.Pubblicazioni consigliate
I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.