Table of Contents
Terminology | Clinical features | Case reports | Gross description | Gross images | Microscopic (histologic) description | Microscopic (histologic) images | Positive stains | Negative stains | Differential diagnosisCite this page: Roychowdhury M. Adenoid cystic-solid. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/breastmalignantadenoidcysticsolid.html. Accessed March 29th, 2024.
Terminology
- Also called basaloid type
Clinical features
- Axillary nodal metastases in 2 of 6 cases (Am J Surg Pathol 2002;26:413)
- May have poorer prognosis than classic type (APMIS 1999;107:762)
Case reports
- Solid variant of mammary "adenoid cystic carcinoma with basaloid features" merging with "small cell carcinoma" (Pathol Res Pract 2005;201:705)
Gross description
- Solitary mass, mean 4 cm
Microscopic (histologic) description
- Basaloid cells with moderate to marked nuclear atypia, often with 5+ mitotic figures / 10 HPF
Microscopic (histologic) images
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AFIP images
Contributed by Dr. Hind Nassar, Johns Hopkins Medical Center, Maryland (USA):
Contributed by Dr. Semir Vranic, University of Sarajevo, Bosnia and Herzegovina:
AFIP images
Contributed by Dr. Hind Nassar, Johns Hopkins Medical Center, Maryland (USA):
Contributed by Dr. Semir Vranic, University of Sarajevo, Bosnia and Herzegovina:
Differential diagnosis
- Cylindroma: no atypia, no mitotic figures, no infiltration, no mucin (Am J Clin Pathol 2005;123:866)