Peritoneal psammocarcinoma diagnosed by a Papanicolau smear: a case report.

Background: Serous psammocarcinoma is a rare variant of epithelial neoplasia that can arise from the ovaries or peritoneum. It is characterized by massive psammoma body formation, invasiveness and low grade cytologic features.

Case: A 70-year-old woman was admitted to our hospital; a bimanual examination with cervicovaginal smear was performed.

Primary vulvar Ewing's sarcoma/primitive neuroectodermal tumor in a post-menopausal woman: a case report.

Ewing's sarcomas/peripheral primitive neuroectodermal tumors (ES/pPNETs) are high-grade malignant neoplasms rarely found outside the skeletal system. Only 12 cases of vulvar ES/pPNET have so far been reported, all involving children or women of child-bearing age. We describe the case of a 52-year-old woman who was admitted to our hospital for the local excision of a 4cm vulvar mass, originally thought to be a Bartholin's gland cyst.

Detection, distribution, and pathologic significance of BK virus strains isolated from patients with kidney transplants, with and without polyomavirus-associated nephropathy.

Context: BK virus strains or regulatory region sequence variations may play a role in the pathogenesis of polyomavirus-associated nephropathy (PVAN), although no definite relationship has yet been demonstrated.

Objective: To investigate the pathologic significance of BK virus strains and regulatory region sequence variations.

Design: Eight (3.

Primary choroid plexus papilloma of the sacral nerve roots.

The authors describe a unique case of a choroid plexus papilloma of the sacral nerve roots. This 60-year-old woman was admitted to the hospital because of a 1-year history of sacral pain, rectal and urinary bladder retention, and paradoxical episodic incontinence. Physical examination revealed sensory abnormalities in the S-2 dermatomes and poor rectal and bladder sphincter contractions.

Fatal splenic rupture in a pregnant woman with hemoglobin C/beta-thalassemia and myeloid metaplasia.

Splenic rupture with intraperitoneal hemorrhage is a fatal condition that is rarely encountered during the third trimester of pregnancy; its pathogenetic mechanisms and causes are largely unknown. We report a case of splenic rupture in a pregnant woman that caused the death of the mother and child. The patient was a carrier of double heterozygosis for hemoglobin C/beta-thalassemia.

Kidney and urinary tract polyomavirus infection and distribution: molecular biology investigation of 10 consecutive autopsies.

Context: Distinct human polyomavirus genotypes cause different diseases in patients with renal transplants: BK virus (BKV) causes tubulointerstitial nephritis and ureteral stenosis, whereas both JC virus (JCV) and BKV are responsible for hemorrhagic cystitis. These findings could result from a selective infection of kidney and urinary tract segments by JCV or BKV.

Objective: To verify this hypothesis, 10 complete, unselected, consecutive autopsies from 9 immunocompetent patients and 1 patient affected by acquired immunodeficiency syndrome were investigated.