Anti-TNF-Induced Psoriasis in a Pyoderma Gangrenosum Patient
JDD authors Atrin Toussi BS BA, Stephanie T. Le MD, Virgina R. Barton MD, Chelsea Ma MD, Michelle Y. Cheng MD, Andrea Sukhov MD, Reason Wilken MD, Forum Patel MD, Elizabeth Wang MD, and Emanual Maverakis MD present a case of a 60-year-old woman with recalcitrant pyoderma gangrenosum treated with adalimumab, who paradoxically developed psoriasis.
Introduction
Pyoderma gangrenosum (PG) is …
JDD authors Atrin Toussi BS BA, Stephanie T. Le MD, Virgina R. Barton MD, Chelsea Ma MD, Michelle Y. Cheng MD, Andrea Sukhov MD, Reason Wilken MD, Forum Patel MD, Elizabeth Wang MD, and Emanual Maverakis MD present a case of a 60-year-old woman with recalcitrant pyoderma gangrenosum treated with adalimumab, who paradoxically developed psoriasis.
Introduction
Pyoderma gangrenosum (PG) is … Continue reading "Anti-TNF-Induced Psoriasis in a Pyoderma Gangrenosum Patient"
Dermoscopy, also known as epiluminescence microscopy, epiluminoscopy or skin surface microscopy, is an important way to visualize subsurface structures in the epidermis and dermis. In a 2-part series, Dr. Sima Jain reviews the evaluation of pigmented lesions, and the different vessel morphologies and patterns along with a discussion of specific findings in select cutaneous infections.
Read part … 
Biopsy of one of the lesions pictured reveals spindle cells forming slit-like vascular channels. Which of the following is also associated with the cause of these lesions?
A. Bacillary angiomatosis
B. Merkel cell carcinoma
C. Angiosarcoma
D. Multicentric Castleman disease
E. Nasopharyngeal carcinoma
To find out the correct answer and read the explanation, click here.
Brought t … 
We’ve all been there – that dreaded middle of the night page/call from the ER. Three simple words that send us spinning: “Rule out TEN.” Have no fear though, because the skin sloughing savoir is here. Inpatient dermatology service director Dr. Helena Pasieka joined JDD podcast host Dr. Adam Friedman to discuss her recent research that elucidates opportunities to prevent offending agent re- … 
Lymphomatoid papulosis (LyP) is a CD30+ T-cell lymphoproliferative disorder (LPD) presenting as a recurrent eruption of papules and nodules which resolve spontaneously. CD30+ LPD prevalence in African American (AA)/Black patients is lower compared to White patients. CD30+ LPD has been recently reported to have worse outcomes in AA patients compared to White patients.
A retrospective chart revie …