Anaplastic large cell lymphoma is commonly diagnosed on biopsy or fine needle aspiration but it is very rarely reported in fluid cytology. However, this tumor can be easily diagnosed and confirmed from the cytosmears of serous effusion samples.

中文翻译：

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一名儿科患者的腹水和胸腔积液细胞学诊断为间变性大细胞淋巴瘤。

间变性大细胞淋巴瘤通常通过活检或细针抽吸来诊断，但在液体细胞学中很少报道。然而，这种肿瘤可以很容易地从浆液渗出液样本的细胞涂片中诊断和确认。