1900 Hempstead Tpke Suite 500
East Meadow NY 11554
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Immune biomarkers are more accurate in prediction of survival in ulcerated than in non-ulcerated primary melanomas. - Cancer immunology, immunotherapy : CII
Ulcerated melanomas may have a unique biology and microenvironment. We test whether markers of immune infiltration correlate with clinical outcome in ulcerated compared to non-ulcerated primary melanoma tumors.Sixty-two stage II-III cutaneous melanomas, 32 ulcerated and 30 non-ulcerated, were analyzed for tumor-infiltrating lymphocytes (TILs). Immunohistochemistry (IHC) was performed for CD2, a marker previously shown to correlate with overall survival (OS) and recurrence-free survival (RFS) in this patient population. IHC using antibody, VE1, to BRAF V600E was also performed on a subset of 41 tumors to assess the relationship of BRAF mutation to immune markers.We found, using Cox regression models, that the presence of TILs was associated with improved OS (p = 0.034) and RFS (p = 0.002) in ulcerated melanoma tumors, but not in non-ulcerated melanoma (p = 0.632, 0.416). CD2 expression also was correlated with improved OS (p = 0.021) and RFS (p = 0.001) in ulcerated melanoma, but no relationship was seen in non-ulcerated melanoma (p = 0.427, 0.682). In this small population, BRAF status did not correlate with TILs or CD2+ count.Our data show that immune markers including TILs and CD2 count correlate more closely with survival in ulcerated melanomas than that in non-ulcerated melanomas. We propose that immune biomarkers may be particularly relevant to ulcerated, as compared to non-ulcerated, melanomas and that this merits study in larger populations.
Melanoma arising in a tattoo: case report and review of the literature. - Cutis
Various benign and malignant lesions have been described in relation to tattoos including melanoma. Few cases of malignant melanoma (MM) arising in tattoos have been reported in the literature. We report a 79-year-old man with an MM that arose in a tattoo he had for 60 years on the inferior aspect of the left arm. This case underscores the need for careful examination of tattoos to insure that dysplastic or malignant pigmented lesions are not overlooked. We also discuss the possibility of a pathogenic relationship between MM and tattoos.
A method for distinguishing the intended margins for a melanoma from the tissue cones after surgical excision. - International journal of dermatology
Surgical excision of severely dysplastic nevi and thin cutaneous melanomas (<1 mm in depth) remains the most effective treatment to date. However, sometimes a severely dysplastic nevus may be upstaged to a melanoma in situ, or a melanoma in situ may be upgraded to an invasive melanoma once the completely excised specimen is reviewed microscopically. This then requires a re-excision around the entire scar at follow-up as the dermatological surgeon can be perplexed as to where the precise locations of the pigmented lesion and the tissue cones are, thereby generating a longer scar.We want to introduce a simple, cost-effective and easy-to-implement approach that permits the dermatological surgeon to distinguish from a linear scar the site of the original pigmented lesion and the lengths of the tissue cones. Therefore, if a re-excision is necessary, instead of surgical removal around the entire scar, only a focal directed excision of the pigmented lesion is necessary and this will result in a shorter scar; this will be useful for cosmetically sensitive areas on the face. A case is included to illustrate our objective.Using our surgical method on a patient's left cheek pigmented lesion originally diagnosed as melanoma in situ with a subsequent revised diagnosis of invasive melanoma generated a shorter scar and a favorable cosmetic outcome.Â© 2011 The International Society of Dermatology.
Treatment of Basal cell carcinoma with curettage followed by imiquimod 3.75% cream. - The Journal of clinical and aesthetic dermatology
Basal cell carcinoma is the most common form of nonmelanoma skin cancer in the United States. Treatment modalities include both surgical, medical, or combination therapy. In the following case, the authors report the successful treatment of a basal cell carcinoma on the nose with curettage followed by topical imiquimod 3.75% cream.
Acquired fibrokeratoma presenting as multiple plantar nodules. - Dermatology online journal
Acquired digital fibrokeratoma is a rare benign fibroepithelial tumor that typically presents as a solitary asymptomatic nodule on the finger or toe. Middle-aged adults are most commonly affected. Here we discuss an unusual case of acquired digital fibrokeratoma presenting as a cluster of multiple nodules on the sole of a 15-year-old boy.
Pagetoid reticulosis after radiotherapy of primary cutaneous anaplastic large-cell lymphoma. - The American Journal of dermatopathology
We describe a 60-year-old man with a history of primary cutaneous anaplastic large cell lymphoma on the chest, who presented with a new scaly red plaque on the same site 11 years after radiation therapy. Histological examination revealed a dense epidermotropic infiltrate of atypical mononuclear cells consistent with pagetoid reticulosis. Immunohistochemistry revealed the infiltrate to be CD4, CD8, and CD30. Remarkably, all the atypical cells were strongly CD30, and furthermore, the CD30 cells were found exclusively in the epidermis. In the initial cutaneous anaplastic large cell lymphoma lesion, the CD4, CD8, and focally CD30 atypical cells were well confined within the dermis with no epidermal component. To our knowledge, the present case seems to be the first description of pagetoid reticulosis presenting at the site of a previously treated dermal anaplastic large cell lymphoma. This case also represents an extreme presentation of epidermotropism and CD30 expression in pagetoid reticulosis.
Dabska tumor arising in lymphangioma circumscriptum. - Journal of cutaneous pathology
We describe a case of Dabska tumor (DT) occurring within a large congenital lymphangioma circumscriptum on the thigh of a 14-year-old female. Diagnostic biopsy showed numerous intravascular papillary projections lined by atypical endothelial cells within the anastomosing vascular channels of a lymphangioma circumscriptum. DT is regarded as a vascular tumor of intermediate malignant potential, most probably of lymphatic origin. Although it has been described in pre-existing lymphangiomas, to the best of our knowledge this is the first case to be described in a pre-existing lymphangioma circumscriptum. During a follow-up of 9 years, the lymphangioma circumscriptum has recurred, but there has been no evidence of DT recurrence or metastasis.
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1900 Hempstead Tpke Suite 500 East Meadow, NY 11554
2201 Hempstead Tpke
2201 Hempstead Tpke
1900 Hempstead Tpke Suite 500