The Experts below are selected from a list of 360 Experts worldwide ranked by ideXlab platform

Yu-ping Dang - One of the best experts on this subject based on the ideXlab platform.

  • Unilateral linear capillaritis: two unusual Chinese cases.
    European journal of dermatology : EJD, 2007
    Co-Authors: Guang Zhao, Wen Liu, Yu-ping Dang
    Abstract:

    Unilateral linear capillaritis (ULC) is a rare special variation of Pigmented Purpuric Dermatosis (PPD), which is characterized clinically by linear or segmental distribution of Pigmented Purpuric macules located predominantly on the lower extremities and showing a favorable prognosis. In this case report, we describe two unusual cases of ULC, in one male and one female patient, with unilateral lesions involving the upper extremities that loosely follow the dermatome lines. Biopsy results revealed a common histopathology feature to PPD without heavy band-like infiltration in the upper dermis. On review 20 months after the onset, the eruptions of Patient 1 had spontaneously faded from parts of the affected area. Meanwhile, after a period of 18 months post onset, the eruptions of Patient 2 had became less visible after treatment with PUVA for 2 months, leaving a faded pigmentation.

Scott W Binder - One of the best experts on this subject based on the ideXlab platform.

  • Mimics of cutaneous lymphoma report of the 2011 society for hematopathology/European association for haematopathology workshop
    American Journal of Clinical Pathology, 2013
    Co-Authors: George P Sarantopoulos, Rein Willemze, Marsha C Kinney, Beth Palla, Steven M. Swerdlow, Jonathan W Said, Scott W Binder
    Abstract:

    The Society for Hematopathology and European Association for Haematopathology workshop, from October 27 to 29, 2011, in Los Angeles, CA, exhibited many exemplary skin biopsy specimens with interesting inflammatory changes mimicking features of cutaneous lymphoma. This article reviews features observed in cutaneous lymphoid hyperplasia, cutaneous drug reactions, lupus-associated panniculitis, pityriasis lichenoides, hypereosinophilic syndrome, histiocytic necrotizing lymphadenitis, traumatic ulcerative granuloma with stromal eosinophils, and Pigmented Purpuric Dermatosis, as well as a brief review of the pertinent literature and discussion of submitted conference cases. For the pathologist, it is important to be aware of diagnostic pitfalls as well as the limitations of ancillary testing (eg, clonality studies). Finally, correlation with total clinical information, good communication with clinical colleagues, close clinical follow-up with rebiopsy, and prudent use of laboratory studies are vital and will likely offer the best path toward a correct diagnosis.

  • mimics of cutaneous lymphoma report of the 2011 society for hematopathology european association for haematopathology workshop
    American Journal of Clinical Pathology, 2013
    Co-Authors: George P Sarantopoulos, Rein Willemze, Marsha C Kinney, Beth Palla, Steven M. Swerdlow, Jonathan W Said, Scott W Binder
    Abstract:

    The Society for Hematopathology and European Association for Haematopathology workshop, from October 27 to 29, 2011, in Los Angeles, CA, exhibited many exemplary skin biopsy specimens with interesting inflammatory changes mimicking features of cutaneous lymphoma. This article reviews features observed in cutaneous lymphoid hyperplasia, cutaneous drug reactions, lupus-associated panniculitis, pityriasis lichenoides, hypereosinophilic syndrome, histiocytic necrotizing lymphadenitis, traumatic ulcerative granuloma with stromal eosinophils, and Pigmented Purpuric Dermatosis, as well as a brief review of the pertinent literature and discussion of submitted conference cases. For the pathologist, it is important to be aware of diagnostic pitfalls as well as the limitations of ancillary testing (eg, clonality studies). Finally, correlation with total clinical information, good communication with clinical colleagues, close clinical follow-up with rebiopsy, and prudent use of laboratory studies are vital and will likely offer the best path toward a correct diagnosis.

K. V. Ratnam - One of the best experts on this subject based on the ideXlab platform.

Guang Zhao - One of the best experts on this subject based on the ideXlab platform.

  • Unilateral linear capillaritis: two unusual Chinese cases.
    European journal of dermatology : EJD, 2007
    Co-Authors: Guang Zhao, Wen Liu, Yu-ping Dang
    Abstract:

    Unilateral linear capillaritis (ULC) is a rare special variation of Pigmented Purpuric Dermatosis (PPD), which is characterized clinically by linear or segmental distribution of Pigmented Purpuric macules located predominantly on the lower extremities and showing a favorable prognosis. In this case report, we describe two unusual cases of ULC, in one male and one female patient, with unilateral lesions involving the upper extremities that loosely follow the dermatome lines. Biopsy results revealed a common histopathology feature to PPD without heavy band-like infiltration in the upper dermis. On review 20 months after the onset, the eruptions of Patient 1 had spontaneously faded from parts of the affected area. Meanwhile, after a period of 18 months post onset, the eruptions of Patient 2 had became less visible after treatment with PUVA for 2 months, leaving a faded pigmentation.

Marie Leger - One of the best experts on this subject based on the ideXlab platform.

  • A case of isotretinoin-induced purpura annularis telangiectodes of Majocchi and review of substance-induced Pigmented Purpuric Dermatosis.
    JAMA dermatology, 2014
    Co-Authors: Rachel Kaplan, Shane A Meehan, Marie Leger
    Abstract:

    IMPORTANCE Medications as well as chemical and food exposures have been causally linked to the development of Pigmented Purpuric Dermatosis (PPD). We describe herein what is to our knowledge the first reported case of isotretinoin-induced PPD. OBSERVATIONS A woman in her 30s presented with purpura annularis telangiectodes of Majocchi on the lower extremities 2 months after initiating isotretinoin for the treatment of refractory nodulocystic acne. CONCLUSIONS AND RELEVANCE We believe isotretinoin was the most likely causative agent in this case because the lesions began after initiation of isotretinoin treatment and resolved shortly after its termination, and the pathologic findings were consistent with other described cases of drug-induced PPD. The lesions have continued to fade, and no new lesions have developed in a 3-month follow-up period. Drug-induced PPD is distinct from idiopathic PPD, and it is important to consider isotretinoin as a potential inciting agent.