Abstract：
BACKGROUND:Basaloid squamous cell carcinoma (BSCC), an aggressive tumor of the aerodigestive tract, was described over 20 years ago, and its defining histologic parameters remain largely unchanged. While rare reports have noted cutaneous metastatic deposition, primary tumors have not been previously described. OBJECTIVE:Although most cutaneous malignancies with basaloid features comprise variants of basal cell carcinomas, a subset exhibit histologic attributes suggestive of more aggressive tumors. We evaluated 3 such tumors submitted to our dermatopathology service over a 6-month period. METHODS:Immunohistochemical stains useful in differentiating the lineage of cutaneous malignancies with basaloid-appearing tumor cells were employed. Human papillomavirus (HPV) detection and typing were performed by using polymerase chain reaction and sequencing. RESULTS:The tumor cells expressed high molecular weight cytokeratin (34βE12) and cytokeratin 5/6 but not Ber-EP4 or bcl-2. This pattern of immunohistochemical staining and the histologic attributes of the neoplasms are inconsistent with those expected in better defined cutaneous basaloid malignancies but are characteristic of BSCC. Two of the tumors arose in the inguinal crease of middle-aged men, and two patients were known to be immunosuppressed. HPV genotype 33 was detected in the tumor tissue from both inguinal lesions. LIMITATIONS:The number of cases available for evaluation is small and any prognostic implications therefore tenuous. CONCLUSIONS:The differential diagnosis of cutaneous malignancies exhibiting basaloid cells should include BSCC, a tumor with an unusual pattern of immunohistochemical staining and a potentially poor prognosis.
journal_name
J Am Acad Dermatoljournal_title
Journal of the American Academy of Dermatologyauthors
Boyd AS,Stasko TS,Tang YWdoi
10.1016/j.jaad.2010.02.051subject
Has Abstractpub_date
2011-01-01 00:00:00pages
144-51issue
1eissn
0190-9622issn
1097-6787pii
S0190-9622(10)00324-5journal_volume
64pub_type
杂志文章abstract：BACKGROUND:Oral corticosteroid pulse therapy has provided inconsistent results in the treatment of Indian patients with vitiligo. OBJECTIVE:We wanted to evaluate the efficacy, safety, and tolerability of oral dexamethasone pulse therapy in a cohort of Austrian patients with vitiligo. METHODS:Twenty-nine patients with...
journal_title：Journal of the American Academy of Dermatology
pub_type： 杂志文章
doi：10.1067/mjd.2001.113475
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abstract：OBJECTIVES:Our aim was to compare 20% with 10% to 5% incremental regimens in narrowband UVB phototherapy. STUDY PATIENTS:The study included patients with psoriasis (N = 191) with Fitzpatrick skin phototypes II and III. RESULTS:Occurrence of erythema as well as maximum and cumulative doses were higher with 20% escalat...
journal_title：Journal of the American Academy of Dermatology
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abstract：BACKGROUND:Mycophenolate mofetil (MMF) has enjoyed increasing popularity as an emerging immunosuppressant treatment for various autoimmune dermatologic conditions, including pyoderma gangrenosum (PG). OBJECTIVE:The aim of this study was to examine the efficacy and safety of MMF as used in PG. METHODS:A retrospective ...
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journal_title：Journal of the American Academy of Dermatology
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doi：10.1016/s0190-9622(80)80185-x
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abstract：:Glyceryl monothioglycolate has recently been implicated as an allergen. A case of a hairdresser who used this material is presented. He appeared to have an irritant contact dermatitis on his fingertips. Patch testing the patient and extensive patch testing in a group of fifty-four volunteers showed a very high inciden...
journal_title：Journal of the American Academy of Dermatology
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journal_title：Journal of the American Academy of Dermatology
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journal_title：Journal of the American Academy of Dermatology
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journal_title：Journal of the American Academy of Dermatology
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journal_title：Journal of the American Academy of Dermatology
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journal_title：Journal of the American Academy of Dermatology
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journal_title：Journal of the American Academy of Dermatology
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journal_title：Journal of the American Academy of Dermatology
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journal_title：Journal of the American Academy of Dermatology
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journal_title：Journal of the American Academy of Dermatology
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journal_title：Journal of the American Academy of Dermatology
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journal_title：Journal of the American Academy of Dermatology
pub_type： 杂志文章
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更新日期：1998-03-01 00:00:00
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journal_title：Journal of the American Academy of Dermatology
pub_type： 杂志文章
doi：10.1016/j.jaad.2015.06.060
更新日期：2015-10-01 00:00:00
