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  1. Article: Hydroxyurea-induced genital ulcers and erosions: Two case reports.

    Blum, Amy E / Tsiaras, William G / Kemp, Jacqueline M

    Journal of tissue viability

    2021  Volume 30, Issue 3, Page(s) 462–464

    Abstract: Hydroxyurea is a chemotherapeutic agent used for myeloproliferative disorders and sickle cell anemia that is well known to cause painful mucocutaneous ulcers, typically involving the legs or mouth. However, genital ulcerations due to hydroxyurea therapy ... ...

    Abstract Hydroxyurea is a chemotherapeutic agent used for myeloproliferative disorders and sickle cell anemia that is well known to cause painful mucocutaneous ulcers, typically involving the legs or mouth. However, genital ulcerations due to hydroxyurea therapy are a rare, and likely underrecognized, adverse effect with only a few cases reported in the literature to date. Ulcers of the lower legs caused by hydroxyurea are associated with a diagnostic delay, and this is likely exacerbated in cases of genital ulceration due to a lack of awareness. Herein we present two cases of painful genital ulceration in patients on hydroxyurea therapy. In the first Case, an 87 year-old male with polycythemia vera developed an ulcer on the scrotum, which was assessed initially through virtual visits during the COVID-19 pandemic, and was refractory to topical and oral antibiotic treatments. The second case was a 79 year-old male with essential thrombocythemia and a history of persistent leg ulcers who developed erosions of the glans penis. Both patients experienced complete resolution within weeks of discontinuing hydroxyurea therapy. In conclusion, genital ulcers and erosions induced by hydroxyrea may be underrecognized in clinical practice, but if identified, withdrawal of hydroxyurea leads to quick resolution of these lesions and the associated pain.
    MeSH term(s) Aged, 80 and over ; Humans ; Hydroxyurea/administration & dosage ; Hydroxyurea/adverse effects ; Leg Ulcer/chemically induced ; Male ; Myeloproliferative Disorders/drug therapy ; Polycythemia Vera/drug therapy ; Scrotum ; Ulcer/chemically induced
    Chemical Substances Hydroxyurea (X6Q56QN5QC)
    Language English
    Publishing date 2021-06-06
    Publishing country England
    Document type Case Reports ; Journal Article
    ZDB-ID 1282604-2
    ISSN 0965-206X
    ISSN 0965-206X
    DOI 10.1016/j.jtv.2021.06.001
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Treatment of an Unresectable Cutaneous Squamous Cell Carcinoma With ED&C and 5-FU.

    Azin, Marjan / Ameri, Amir H / Nazarian, Rosalynn M / Cusack, James C / Tsiaras, William G / Asgari, Maryam M / Demehri, Shadmehr

    Cutis

    2023  Volume 112, Issue 1, Page(s) E27–E29

    MeSH term(s) Humans ; Carcinoma, Squamous Cell/drug therapy ; Skin Neoplasms/drug therapy ; Fluorouracil/therapeutic use
    Chemical Substances Fluorouracil (U3P01618RT)
    Language English
    Publishing date 2023-08-21
    Publishing country United States
    Document type Letter
    ZDB-ID 391840-3
    ISSN 2326-6929 ; 0011-4162 ; 0151-9522
    ISSN (online) 2326-6929
    ISSN 0011-4162 ; 0151-9522
    DOI 10.12788/cutis.0818
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Intractable pyoderma gangrenosum in a Crohn's disease patient on vedolizumab.

    Yeh, Jennifer E / Tsiaras, William G

    JAAD case reports

    2017  Volume 3, Issue 2, Page(s) 110–112

    Language English
    Publishing date 2017-03-09
    Publishing country United States
    Document type Case Reports
    ZDB-ID 2834220-3
    ISSN 2352-5126
    ISSN 2352-5126
    DOI 10.1016/j.jdcr.2017.01.012
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: Two cases of maggot debridement therapy in pyoderma gangrenosum.

    Din, Ryan S / Tsiaras, William G / Mostaghimi, Arash

    JAAD case reports

    2018  Volume 4, Issue 10, Page(s) 1027–1029

    Language English
    Publishing date 2018-11-10
    Publishing country United States
    Document type Case Reports
    ZDB-ID 2834220-3
    ISSN 2352-5126
    ISSN 2352-5126
    DOI 10.1016/j.jdcr.2018.07.016
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Two Cases of Severe Erosive Pustular Dermatosis Mimicking Infection.

    Din, Ryan S / Tsiaras, William G / Mostaghimi, Arash

    Wounds : a compendium of clinical research and practice

    2018  Volume 30, Issue 8, Page(s) E84–E86

    Abstract: Introduction: Erosive pustular dermatosis of the scalp (EPDS) is a noninfectious inflammatory disorder characterized by pustules, erosions, ulcerations, and crusted erythematous plaques that is often associated with mechanical or chemical trauma. While ... ...

    Abstract Introduction: Erosive pustular dermatosis of the scalp (EPDS) is a noninfectious inflammatory disorder characterized by pustules, erosions, ulcerations, and crusted erythematous plaques that is often associated with mechanical or chemical trauma. While its appearance may mimic infection, its etiology is thought to have an autoimmune component based on responsiveness to immunomodulators.
    Case report: Herein, the authors present 2 cases of EPDS that were initially treated as primary infections. In both cases, the wounds did not respond to antimicrobial treatment and led to severe ulceration, exposing cranial bone. Both wounds improved with topical corticosteroid therapy.
    Conclusions: These cases represent the importance of considering topical steroid treatment and a diagnosis of EPDS after debridement for purulent scalp ulcers.
    MeSH term(s) Administration, Topical ; Adrenal Cortex Hormones/therapeutic use ; Aged, 80 and over ; Anti-Bacterial Agents/adverse effects ; Debridement/methods ; Diagnosis, Differential ; Diagnostic Errors/adverse effects ; Female ; Humans ; Male ; Scalp/pathology ; Scalp Dermatoses/diagnosis ; Scalp Dermatoses/drug therapy ; Skin Diseases, Vesiculobullous/diagnosis ; Skin Diseases, Vesiculobullous/drug therapy ; Treatment Outcome ; Wound Healing/physiology
    Chemical Substances Adrenal Cortex Hormones ; Anti-Bacterial Agents
    Language English
    Publishing date 2018-09-13
    Publishing country United States
    Document type Case Reports ; Journal Article
    ZDB-ID 1214936-6
    ISSN 1943-2704 ; 1044-7946
    ISSN (online) 1943-2704
    ISSN 1044-7946
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Evaluating the Efficacy of Topical Dapsone Treatment for Pyoderma Gangrenosum: A Retrospective Case Series.

    Li, David G / Din, Ryan S / Tsiaras, William G / Mostaghimi, Arash

    Journal of cutaneous medicine and surgery

    2018  Volume 22, Issue 6, Page(s) 650–651

    MeSH term(s) Administration, Topical ; Adult ; Aged ; Dapsone/administration & dosage ; Dapsone/therapeutic use ; Dermatologic Agents/administration & dosage ; Dermatologic Agents/therapeutic use ; Female ; Humans ; Male ; Middle Aged ; Pyoderma Gangrenosum/drug therapy ; Retrospective Studies
    Chemical Substances Dermatologic Agents ; Dapsone (8W5C518302)
    Language English
    Publishing date 2018-10-04
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1361720-5
    ISSN 1615-7109 ; 1203-4754
    ISSN (online) 1615-7109
    ISSN 1203-4754
    DOI 10.1177/1203475418782140
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Case 26-2018: A 48-Year-Old Man with Fever, Chills, Myalgias, and Rash.

    Turbett, Sarah E / Tsiaras, William G / McDermott, Shaunagh / Eng, George

    The New England journal of medicine

    2018  Volume 379, Issue 8, Page(s) 775–785

    MeSH term(s) Anti-Inflammatory Agents, Non-Steroidal/adverse effects ; Biopsy ; Chills/etiology ; Diagnosis, Differential ; Drug Hypersensitivity Syndrome/diagnosis ; Drug Hypersensitivity Syndrome/etiology ; Exanthema/etiology ; Fever/etiology ; Herpesvirus 6, Human ; Humans ; Lymph Nodes/diagnostic imaging ; Lymph Nodes/pathology ; Male ; Middle Aged ; Myalgia/etiology ; Roseolovirus Infections/complications ; Roseolovirus Infections/diagnosis ; Tomography, X-Ray Computed ; Ultrasonography
    Chemical Substances Anti-Inflammatory Agents, Non-Steroidal
    Language English
    Publishing date 2018-08-31
    Publishing country United States
    Document type Case Reports ; Clinical Conference ; Journal Article
    ZDB-ID 207154-x
    ISSN 1533-4406 ; 0028-4793
    ISSN (online) 1533-4406
    ISSN 0028-4793
    DOI 10.1056/NEJMcpc1807494
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article: Efficacy of Systemic Dapsone Treatment for Pyoderma Gangrenosum: A Retrospective Review.

    Din, Ryan S / Tsiaras, William G / Li, David G / Mostaghimi, Arash

    Journal of drugs in dermatology : JDD

    2018  Volume 17, Issue 10, Page(s) 1058–1060

    Abstract: Introduction: Pyoderma gangrenosum (PG) is a neutrophilic dermatosis commonly treated with steroid immunosuppression. The utility of dapsone as a non-immunosuppressive treatment for PG has been reported in case reports and series. We sought to evaluate ... ...

    Abstract Introduction: Pyoderma gangrenosum (PG) is a neutrophilic dermatosis commonly treated with steroid immunosuppression. The utility of dapsone as a non-immunosuppressive treatment for PG has been reported in case reports and series. We sought to evaluate the response and tolerability of concurrent systemic dapsone therapy for treating PG.
    Methods: We reviewed PG patients treated with systemic dapsone at Massachusetts General Hospital and Brigham and Women's Hospital from 2000-2015. A treatment episode was defined as a minimum of 4 weeks of dapsone therapy with a documented response of complete, partial, or no improvement in wound healing.
    Results: 27 patients treated with systemic dapsone met inclusion criteria. 15.6% of treatment episodes demonstrated a response of complete healing, 81.3% of treatment episodes demonstrated a response of partial improvement, and 1 patient (3.1%) demonstrated no response. 9 patients (33.3%) had documented side effects of varying severity, with one (3.7%) requiring cessation of dapsone therapy.
    Discussion: Systemic dapsone therapy may represent an effective and tolerable non-immunosuppressive adjuvant treatment for PG wound healing. J Drugs Dermatol. 2018;17(10):1058-1060.
    MeSH term(s) Administration, Oral ; Anti-Infective Agents/administration & dosage ; Anti-Infective Agents/therapeutic use ; Dapsone/administration & dosage ; Dapsone/therapeutic use ; Female ; Humans ; Male ; Middle Aged ; Pyoderma Gangrenosum/drug therapy ; Pyoderma Gangrenosum/pathology ; Retrospective Studies ; Severity of Illness Index ; Treatment Outcome
    Chemical Substances Anti-Infective Agents ; Dapsone (8W5C518302)
    Language English
    Publishing date 2018-10-26
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2145090-0
    ISSN 1545-9616
    ISSN 1545-9616
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Skin Autotomization and Regeneration--The African Spiny Mouse.

    Xue, Yun / Cohen, Jeffrey M / Tsiaras, William G

    JAMA dermatology

    2015  Volume 151, Issue 11, Page(s) 1199

    MeSH term(s) Animals ; Humans ; Models, Animal ; Murinae/physiology ; Regeneration/physiology ; Skin/injuries ; Skin/metabolism ; Species Specificity
    Language English
    Publishing date 2015-11
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2701761-8
    ISSN 2168-6084 ; 2168-6068
    ISSN (online) 2168-6084
    ISSN 2168-6068
    DOI 10.1001/jamadermatol.2015.2434
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: A pilot study of the impact of facial skin protectants on qualitative fit testing of N95 masks.

    Bui, Ai-Tram N / Yu, Zizi / Lee, Karen / Li, Sara J / Tsiaras, William G / Yu, Sherry H / LeBoeuf, Nicole R / Mostaghimi, Arash

    Journal of the American Academy of Dermatology

    2020  Volume 84, Issue 2, Page(s) 554–556

    MeSH term(s) Adult ; Bandages ; COVID-19/epidemiology ; COVID-19/prevention & control ; COVID-19/transmission ; Dermatitis, Irritant/etiology ; Dermatitis, Irritant/prevention & control ; Dermatitis, Occupational/etiology ; Dermatitis, Occupational/prevention & control ; Face ; Female ; Health Personnel ; Humans ; Male ; N95 Respirators/adverse effects ; N95 Respirators/standards ; Pandemics/prevention & control ; Pilot Projects ; Skin ; User-Centered Design
    Keywords covid19
    Language English
    Publishing date 2020-06-24
    Publishing country United States
    Document type Letter
    ZDB-ID 603641-7
    ISSN 1097-6787 ; 0190-9622
    ISSN (online) 1097-6787
    ISSN 0190-9622
    DOI 10.1016/j.jaad.2020.06.069
    Database MEDical Literature Analysis and Retrieval System OnLINE

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