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Basaloid squamous carcinoma in the liver
1Department of Anatomical Pathology, Western Australian Centre for Pathology and Medical Research, Nedlands, Western Australia.
Pathology
|June 7, 2000
Summary
This case report details a rare basaloid squamous carcinoma (BSC) of the liver, a tumor type previously unreported in this organ. The aggressive nature of this hepatic malignancy led to recurrence and patient death within two years.
Area of Science:
- Oncology
- Pathology
- Gastroenterology
Background:
- Basaloid squamous carcinoma (BSC) is a rare, poorly differentiated variant of squamous cell carcinoma.
- BSC typically occurs in sites such as the upper aerodigestive tract, esophagus, lung, anus, cervix, and thymus.
- This entity was first described in 1986 and is characterized by specific histological, immunohistochemical, and ultrastructural features.
Observation:
- A 46-year-old female presented with a large, centrally necrotic liver tumor (27 x 25 x 15 cm).
- The tumor exhibited features consistent with basaloid squamous carcinoma (BSC).
- The patient underwent a right hemi-hepatectomy for the hepatic tumor.
Findings:
- The patient experienced several intra-abdominal recurrences following surgery.
- A primary tumor at another site was not identified.
- The patient died of disease 2 years after the initial diagnosis and surgery.
Implications:
- This case represents the first reported instance of basaloid squamous carcinoma (BSC) arising in the liver.
- The findings highlight the aggressive nature and poor prognosis associated with BSC, even when presenting in the liver.
- Further investigation, potentially including autopsy, is needed to definitively establish the primary origin in cases of hepatic BSC and exclude occult malignancies elsewhere.