Cytopathology : official journal of the British Society for Clinical Cytology · 2007
Pitfalls in the diagnosis of Wegener's granulomatosis on fine needle aspiration cytology.
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Awasthi A, Malhotra P, Gupta N, Gupta D, Rajwanshi A
Аннотация
OBJECTIVE: To review the clinical and pathological findings in six suspected cases of Wegener's granulomatosis (WG) and highlight the diagnostic difficulties faced by the cytopathologist.
METHODS: Retrospective review of records of the Cytopathology Department to identify patients who underwent image-guided transthoracic pulmonary fine needle aspiration cytology (FNAC) for pulmonary lesions of suspected WG and those who were subsequently confirmed to have WG. Detailed evaluation of cytomorphological features was carried out.
RESULTS: A total of six cases were identified in whom the initial procedure to obtain a pathological diagnosis was transthoracic FNAC. In one case, atypical squamous cells on cytology initially suggested a diagnosis of squamous cell carcinoma while in another a diagnosis of WG was made on cytology; however, a subsequent lung biopsy revealed silicosis.
CONCLUSION: Acute inflammation and necrosis are the most consistent cytopathological findings in WG. In selected cases FNAC can provide supportive pathological evidence to establish a diagnosis of WG.
METHODS: Retrospective review of records of the Cytopathology Department to identify patients who underwent image-guided transthoracic pulmonary fine needle aspiration cytology (FNAC) for pulmonary lesions of suspected WG and those who were subsequently confirmed to have WG. Detailed evaluation of cytomorphological features was carried out.
RESULTS: A total of six cases were identified in whom the initial procedure to obtain a pathological diagnosis was transthoracic FNAC. In one case, atypical squamous cells on cytology initially suggested a diagnosis of squamous cell carcinoma while in another a diagnosis of WG was made on cytology; however, a subsequent lung biopsy revealed silicosis.
CONCLUSION: Acute inflammation and necrosis are the most consistent cytopathological findings in WG. In selected cases FNAC can provide supportive pathological evidence to establish a diagnosis of WG.