Mouse Model of Congenital Nevi
Dermatology
Summary and Comment
Evidence suggests that <$EMPH_O>SOX10<$EMPH_C>, known to regulate human melanocyte development, may be involved in the initiation of congenital nevi.
Neighborly Stromal Cells Fuel the Fire: HGF and Melanoma
Dermatology
Summary and Comment
Stromal cells in the tumor microenvironment have a pivotal role in developing drug resistance in melanoma cells.
By Kenneth Y. Tsai, MD, PhD
July 20, 2012
Covering:
Wilson TR et al., Nature 2012 Jul 4
Straussman R et al., Nature 2012 Jul 4
RAS Strikes Again: Cutaneous Mosaicism in Nevus Sebaceous
Dermatology
Summary and Comment
These mutations may predispose individuals to the development of secondary tumors in nevus sebaceous
And the Hits Keep Coming
Dermatology
Summary and Comment
Free
Dabrafenib significantly improved progression-free survival of stage IV melanoma patients.
Sowing the Field: Loss of Dermal CSL Signaling Promotes Epithelial Cancers
Dermatology
Summary and Comment
Appropriate targeting of dermal fibroblasts and stromal elements could be used to prevent skin cancer.
Tumor-Infiltrating Lymphocytes Predict SLN Status and Prognosis in Melanoma
Dermatology
Summary and Comment
Free
Melanoma-specific survival rate increases with a higher TIL grade.
NSAIDs Protect Against Skin Cancer
Dermatology
Summary and Comment
Free
Compared with never-users, ever-users had reduced risk for SCCs, malignant melanomas, and certain BCCs.
PDT for Basal Cell Carcinoma: A Long-Term Follow-Up
Dermatology
Summary and Comment
Free
Long-term results show 5-aminolevulinic acid photodynamic therapy to be beneficial for basal cell carcinomas when surgery is not a good option.
By Craig A. Elmets, MD
June 15, 2012
Covering:
Christensen E et al., Br J Dermatol 2012 Jun; 166:1342
Down the Pathway with a MEK Inhibitor
Dermatology
Summary and Comment
Trametinib showed a meaningful benefit for treating BRAF-mutated melanoma in a phase III trial.
Medical Management of Basal Cell Carcinoma with a Small-Molecule Hedgehog Inhibitor
Dermatology
Summary and Comment
Free
Two recent studies show efficacy of vismodegib for treating locally advanced or metastatic BCCs.
By Craig A. Elmets, MD
June 6, 2012
Covering:
Sekulic A et al., N Engl J Med 2012 Jun 7; 366:2171
Tang JY et al., N Engl J Med 2012 Jun 7; 366:2180
Basal Cell Carcinomas of the Ear Are More Aggressive Than Those Sited Elsewhere
Dermatology
Summary and Comment
An aggressive phenotype was found in 57% of ear BCCs versus 38% of cheek BCCs.
By Murad Alam, MD, MSCI
May 25, 2012
Covering:
Jarell AD and Mully TW., J Am Acad Dermatol 2012 May; 66:780
PET vs. CT for Detecting MCC Metastases: Comparison with Gold Standard Evaluation Points to the Winner
Dermatology
Summary and Comment
Free
PET was more sensitive than CT for detecting MCC metastases to regional nodes.
By Paul Nghiem, MD, PhD
May 18, 2012
Covering:
Colgan MB et al., J Am Acad Dermatol 2012 Apr 30
Actinic Keratoses: Imiquimod or PDT?
Dermatology
Summary and Comment
At 24 weeks, ALA-PDT reduced AK counts, more than imiquimod, but the imiquimod dose was low.
D2-40 Staining Can Help Predict Metastasis in Cutaneous Squamous Cell Carcinoma
Dermatology
Summary and Comment
Free
An additional diagnostic and prognostic tool for predicting risk in poorly differentiated, large, and infiltrating SCCs
Nonmelanoma Skin Cancer Rates: A Worldwide Problem
Dermatology
Summary and Comment
Cancer registries should include squamous cell and basal cell carcinomas to make trends in these common cancers visible.
Melanoma Surveillance in the Digital Age
Dermatology
Summary and Comment
The most frequent dermatoscopic features associated with melanoma were focal changes in pigmentation or structure.
A New Message from the USPSTF
Dermatology
Summary and Comment
Free
Behavioral counseling to prevent skin cancer is effective in young, fair-skinned patients.
By Hensin Tsao, MD, PhD
May 7, 2012
Covering:
Moyer VA on behalf of the U.S. Preventive Services Task Force., Ann Intern Med 2012 May 8
Germline BAP1 Inactivation and Metastatic Ocular Melanoma
Dermatology
Summary and Comment
Free
<$EMPH_O>BAP1<$EMPH_C> mutation is associated with metastatic ocular melanoma and familial cutaneous-ocular melanoma.
UVA1 Is Often A1!
Dermatology
Summary and Comment
Free
After reviewing the evidence, a workshop group discusses the effectiveness, safety, and costs of UVA1 phototherapy.
By Mark V. Dahl, MD
April 27, 2012
Covering:
Kerr AC et al., Clin Exp Dermatol 2012 Apr; 37:219
Red Melanomas
Dermatology
Summary and Comment
Red papules and nodules should raise suspicion of melanoma, but the mortality risk is comparable with pigmented melanomas.
By Mark V. Dahl, MD
April 27, 2012
Covering:
McClain SE et al., Int J Dermatol 2012 Apr; 51:420
The Programmed Death-1 Protein Is Often Detected in Cutaneous CD4-Positive Small/Medium-Sized Pleomorphic T-cell Lymphoma
Dermatology
Summary and Comment
Free
This useful finding can prevent unnecessarily aggressive treatment.
TIL'ing Immunotherapy
Dermatology
Summary and Comment
Although human cancers express antigens recognized by the immune system, immune responses don't always control tumor growth; tumor cells may adapt to avoid immune surveillance.
By Hensin Tsao, MD, PhD
April 20, 2012
Covering:
Taube JM et al., Sci Transl Med 2012 Mar 28; 4:127ra37
Dermatofibrosarcoma Protuberans: Location and Transformation
Dermatology
Summary and Comment
Location on the extremities and fibrosarcomatous transformation indicated an increased risk for recurrence.
Surgical Margins for Melanoma in Situ
Dermatology
Summary and Comment
Free
Using Mohs surgery to delineate the true dimensions of a tumor, researchers identify a better standard for excision.
By Murad Alam, MD, MSCI
April 6, 2012
Covering:
Kunishige JH et al., J Am Acad Dermatol 2012 Mar; 66:438
Can Bad Medical News Be Fatal?
Psychiatry
Summary and Comment
Free
Patients receiving a cancer diagnosis, especially one with poor prognosis, are at high risk for suicide or for cardiovascular death in the week following the diagnosis, and even up to a year later.
By Peter Roy-Byrne, MD
April 4, 2012
Covering:
Fang F et al., N Engl J Med 2012 Apr 5; 366:1310