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Anal phyllodes tumor in a male patient: a unique case presentation and literature review

Overview of attention for article published in Diagnostic Pathology, March 2013
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  • Above-average Attention Score compared to outputs of the same age and source (53rd percentile)

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Title
Anal phyllodes tumor in a male patient: a unique case presentation and literature review
Published in
Diagnostic Pathology, March 2013
DOI 10.1186/1746-1596-8-49
Pubmed ID
Authors

Szu-pei Ho, Hui-hwa Tseng, TM King, Philip-C Chow

Abstract

Lesions of anogenital mammary-like glands are rare, and only 44 female cases have been reported. Herein, we describe a particularly rare case of phyllodes tumor of anogenital mammary-like glands in a 41-year-old male presenting anal bleeding. Papillectomy was performed. The excised tumor was circumscribed in shape, and after it was sliced into sections, it was noted that there were leaf-like slits on the surface of cut side. Under the microscope, the tumor was found to be biphasic, with a bland glandular epithelium and low-to-intermediate cellular stroma, which together created the leaf-like slits. Gynecomastoid hyperplasia was evident at the periphery. The epithelium showed immuno-activity for ER, PR(focal), AR, and GCDFP-15. The stromal cells showed positive staining for CD34 and vimentin. The morphology and immunophenotype were similar to benign phyllodes tumors of breast. To the best of our knowledge, this case report represents the first case of phyllodes tumor of anogenital mammary-like glands with gynecomastoid hyperplasia at the periphery in a male patient. To make a diagnosis, we had to differentiate this lesion from hidradenoma papilliferum of skin appendage, phyllodes tumor of ectopic prostatic tissue, and other tumors of anogenital mammary-like glands analogous to the breast tumor (e.g., fibroadenoma phyllodes, periductal stromal sarcoma, and spindle cell carcinoma). While gynecomastia of male breast is usually a result of hormone imbalance, our patient's tumor did not seem to be related to peripheral hormone status in the anogenital mammary-like glands. Nevertheless, because hormone imbalance has been strongly related to male breast cancer, hormone levels may need to be followed in male patients who have this rare malady.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 25 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United States 1 4%
Unknown 24 96%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 5 20%
Professor > Associate Professor 5 20%
Student > Doctoral Student 2 8%
Student > Bachelor 2 8%
Lecturer 1 4%
Other 4 16%
Unknown 6 24%
Readers by discipline Count As %
Medicine and Dentistry 9 36%
Pharmacology, Toxicology and Pharmaceutical Science 3 12%
Computer Science 2 8%
Nursing and Health Professions 1 4%
Agricultural and Biological Sciences 1 4%
Other 0 0%
Unknown 9 36%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 28 March 2013.
All research outputs
#15,267,294
of 22,703,044 outputs
Outputs from Diagnostic Pathology
#532
of 1,119 outputs
Outputs of similar age
#123,847
of 197,767 outputs
Outputs of similar age from Diagnostic Pathology
#11
of 28 outputs
Altmetric has tracked 22,703,044 research outputs across all sources so far. This one is in the 22nd percentile – i.e., 22% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,119 research outputs from this source. They receive a mean Attention Score of 2.7. This one is in the 40th percentile – i.e., 40% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 197,767 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 27th percentile – i.e., 27% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 28 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 53% of its contemporaries.