Diagnostic cytopathology

BackgroundCytologic examination of peritoneal fluid (PTFL) often represents the first and only pathologic specimen available to guide management of gynecologic malignancies (GMs). This study examines the cytohistologic correlation between h…

Most patients with thoracic endometriosis present with catamenial pneumothorax, a rare condition in which recurrent episodes occur within 72 h before or after the start of menstruation. We report a case of thoracic endometriosis presenting …

Rectovaginal endometriosis is a severe variant of deeply infiltrating endometriosis. Laparoscopic assessment with tissue sampling remains the gold standard for diagnosis of endometriosis. However, transvaginal (TVUS) and transrectal ultraso…

Endometriosis is defined as the presence of endometrial tissue outside the uterus. It can occur both in the pelvic and extra pelvic regions. Abdominal scar endometriosis is a rare type of extra pelvic endometriosis that occurs after surgery…

BACKGROUND: We aimed to assess the sensibility, specificity, and predictive values of cytology of the fluid sediment in patients with pelvic endometriosis diagnosed based on laparoscopic-guided biopsy. METHODS: Between January 2017 and Sept…

Endometriosis is a benign entity defined as the presence of endometrium tissue outside of uterine cavity. It is a common disease involving peritoneum, pelvic organs, gastrointestinal tract, and so on. Diagnosis based on cytology specimen ca…

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Endometriosis, the presence of endometrial tissue outside the uterine corpus, is a common finding in reproductive age women. It is classically diagnosed based on the presence of at least two of the following elements: endometrial glands, en…

Endometriosis commonly involves the pelvis, but may also present as a palpable mass in extrapelvic sites, such as the abdominal wall or inguinal region, where it can be evaluated by fine needle aspiration (FNA). In this report, we illustrat…

Papillary proliferations of the endometrium, without atypia have been uncommonly documented, including on cytology specimens. Herein, we present an uncommon case of a 55-year-old obese lady, on antihypertensive medications, who presented wi…

A 44-year-old woman presented to Emergency Department with sudden onset of severe upper abdominal pain. T2-weighted MRI image showed a large cystic mass with a thickened wall measuring 9.5 × 9.1 × 11.2 cm in the right hepatic lobe. It was r…

Endometriosis is defined as the presence of endometrial tissue outside the uterine cavity. This study evaluates the cytomorphologic features of endometriosis in various cytologic specimen types [fine-needle aspiration (FNA), effusion cytolo…

Endometriosis is defined as the presence of endometrial tissue outside the uterine cavity. This study evaluates the cytomorphologic features of endometriosis in various cytologic specimen types [fine-needle aspiration (FNA), effusion cytolo…

Most cutaneous endometriosis develops at the site of an abdominal surgical scar. Spontaneous cutaneous endometriosis is extremely rare. We report a case of spontaneous cutaneous endometriosis in the mons pubis region. A 41-year-old woman pr…

A case of endometriosis of the sigmoid colon on imprint cytology from an intraoperative biopsy is discussed. Cytologic specimens showed sheets or tubular epithelial clusters and stromal fragments. The epithelial cell nuclei were small and r…

While about 15% of menstruating women develop endometriosis, abdominal wall endometriosis is relatively rare. We present 10 cases of abdominal wall endometriosis diagnosed by fine-needle aspiration (FNA) cytology and confirmed by subsequent…

Mullerianosis of the urinary bladder is a rare entity characterized by the presence of an admixture of at least two types of mullerian tissue in the muscularis propria of the bladder. We report a case of mullerianosis of the urinary bladder…

PAX8 is a nuclear transcription factor with limited expression in normal and neoplastic tissues in a cell lineage-dependent manner. PAX8 has been detected in embryonic Müllerian ducts, human fallopian tubes, and ovarian carcinomas. However,…

Endometriosis is a relatively common disease in women, usually of reproductive age. In rare occasions, endometriosis may occur in unusual body sites, including extragonadal, extra-pelvic sites, or in the skin. We report a case of endometrio…

Endometriosis is defined as the presence of endometrial-like glands and stroma outside the uterine endometrial lining. Endometrial tissue has also been identified in numerous surgical or procedure scars, including cesarean section and lapar…

Endometrium directly sampled from endocervical mucosal endometriosis can mimic endocervical adenocarcinoma in situ (AIS) in Papanicolaou (Pap) tests. We analyzed a series of Pap tests to investigate the cellular features of mucosal endometr…

Endometriosis is defined as ectopic endometrial tissue which can respond to hormonal stimulation. Cutaneous endometriosis is a rare pathologic entity that can represent a clinical diagnostic challenge. We report a case of a decidualized end…

The cytologic finding of glandular cells in a urine specimen is unusual. The differential diagnosis ranges from benign conditions such as cystitis glandularis to adenocarcinoma. Glandular cells of cystitis glandularis with intestinal metapl…

The diagnosis of endometriosis is usually established by a biopsy. Since endometriotic lesions can present as a mass lesion, it seems feasible to investigate them by the noninvasive method of fine-needle aspiration cytology (FNAC). In this …

The purpose of this review is to identify features that separate atypical glandular cells (AGC) associated with glandular neoplasia from its mimickers, both benign and neoplastic. We reviewed cases of AGC diagnosed on liquid-based Pap tests…