An unexpected zoonosis: pulmonary dirofilaria infection mimicking pulmonary neoplasm.

Pulmonary dirofilaria infection is a rare condition in Australasia. We describe a case with radiographic findings concerning for pulmonary malignancy, with the unexpected pathological diagnosis of dirofilarial infection.

Adenocarcinoma in situ of the uterine cervix: screening and diagnostic errors in Papanicolaou smears.

Background: Little attention has been given to the reasons for failure to detect adenocarcinoma in situ (AIS) of the uterine cervix in Papanicolaou (Pap) smears. In the current study, the authors examined a series of screening or diagnostic errors in cases in which the final histologic diagnosis was either AIS or AIS combined with a high-grade squamous intraepithelial lesion (AIS + HSIL).

Methods: Smears obtained in the 3 years before histologically proven AIS or AIS + HSIL was diagnosed and within a specified 6-year period (1993-1998) were reviewed and reclassified.

Adenocarcinoma in situ of the cervix.

Background: The current study examines 1) the sensitivity of detection and 2) sampling and screening/diagnostic error in the cytologic diagnosis of adenocarcinoma in situ (AIS) of the cervix. The data were taken from public and private sector screening laboratories reporting 25,000 and 80,000 smears, respectively, each year.

Methods: The study group was comprised of women with a biopsy diagnosis of AIS or AIS combined with a high-grade squamous intraepithelial lesion (HSIL) who were accessioned by the Western Australian Cervical Cytology Registry (WACCR) between 1993-1998.

Adenocarcinoma of the cervix.

Background: The current study examines 1) the sensitivity of detection of invasive adenocarcinoma of the cervix in a routine cervical screening service, and 2) the frequency in smears of cytologic criteria previously found to be useful in diagnosis.

Methods: Data on women with diagnoses of adenocarcinoma of the cervix accessioned at the Western Australian Cervical Cytology Registry during the period 1993-1998 were examined, where smears had been reported by Western Diagnostic Pathology within three years of the biopsy diagnosis. Smears and biopsy material were reviewed.