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Infundibulocystic basal cell carcinoma
1Department of Dermatology, Faculty of Medicine, Toyama Medical and Pharmaceutical University, 2630 Sugitani, Toyama 930-01, Japan. toyodam@toyama-mpu.ac.jp
European Journal of Dermatology : EJD
|July 3, 1998
Summary
This case report describes infundibulocystic basal cell carcinoma, an uncommon tumor variant. The diagnosis was based on histological findings of a solitary lesion with specific cystic and epithelial structures.
Area of Science:
- Dermatopathology
- Oncology
- Surgical Pathology
Background:
- Basal cell carcinoma (BCC) is the most common human malignancy.
- BCCs exhibit diverse histological patterns, with some variants being rare.
- Accurate histological classification is crucial for BCC management.
Observation:
- A solitary, dome-shaped tumor on the preauricular region of a 72-year-old male patient was examined.
- Histological analysis revealed an intradermal basaloid cell tumor with anastomosing epithelial cords.
- Multiple infundibular cystic structures and bud-like structures simulating follicular germs were noted, with absent follicular bulbs and papillae.
Findings:
- The tumor was diagnosed as infundibulocystic basal cell carcinoma.
- This diagnosis was based on the presence of infundibular cysts and basaloid proliferation without follicular differentiation.
- The scant stroma was not highly fibroplastic.
Implications:
- Infundibulocystic basal cell carcinoma represents a recently described, uncommon variant of BCC.
- Recognition of this specific histological subtype is important for accurate diagnosis and potentially tailored treatment approaches.
- Further research may elucidate the specific behavior and prognosis of this rare BCC variant.