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  1. Article ; Online: Double trouble: A cohort study of re-irradiation and laryngectomy - Severity of and risk for pharyngocutaneous fistula.

    Weinberger, Jeffrey M / Abd El Qadir, Narmeen / Hirshoren, Nir

    Oral oncology

    2022  Volume 134, Page(s) 106069

    Abstract: Objectives: Pharyngocutaneous fistula (PCF) is a devastating complication of laryngectomy. Different factors, principally previous irradiation, increases the risk for PCF formation. The current study objectives is to investigate the potential negative ... ...

    Abstract Objectives: Pharyngocutaneous fistula (PCF) is a devastating complication of laryngectomy. Different factors, principally previous irradiation, increases the risk for PCF formation. The current study objectives is to investigate the potential negative effect of re-irradiation on fistula development. Materilas and methods This is a single, referral, medical center retrospective, cohort study, conducted between the years 2011-2021. Electronic medical files, surgical notes, laboratory records and radiation plan (dose and time interval in case of re-irradiation) were examined. Main outcomes and measures Risk and predictors associated with PCF formation. Risk and severity of PCF in the setting of re-irradiation.
    Results: Overall, 27 laryngectomized patients were investigated, of whom 21 patients had single radiation (pre or post-operative radiation) and the other 6 patients had two radiation treatments (before and after laryngectomy). The fistula rate was 33.33% (7/21) in the single radiation compared (p = 0.14) to 66.66% (4/6) in the re-irradiation group of patients (including late-onset fistulas). All single radiation PCF were self-limited, whereas, 3 out of 4 fistulas in the re-irradiation group were longstanding or permanent. In the re-irradiation group of patients, a shorter time interval between the first and second radiation treatments was demonstrated among those with fistula formation compared to patients with uneventful laryngectomy (p = 0.08).
    Conclusion: Re-irradiation and especially a brief interval between the radiation treatments is associated with a severe PCF.
    MeSH term(s) Cohort Studies ; Cutaneous Fistula/etiology ; Cutaneous Fistula/surgery ; Humans ; Laryngeal Neoplasms/complications ; Laryngeal Neoplasms/radiotherapy ; Laryngeal Neoplasms/surgery ; Laryngectomy/adverse effects ; Pharyngeal Diseases/etiology ; Pharyngeal Diseases/surgery ; Postoperative Complications/etiology ; Re-Irradiation/adverse effects ; Retrospective Studies
    Language English
    Publishing date 2022-08-12
    Publishing country England
    Document type Letter
    ZDB-ID 1120465-5
    ISSN 1879-0593 ; 0964-1955 ; 1368-8375
    ISSN (online) 1879-0593
    ISSN 0964-1955 ; 1368-8375
    DOI 10.1016/j.oraloncology.2022.106069
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  2. Article ; Online: Sentinel Lymph Node Identification in Cutaneous Head & Neck Cancer - Lymphoscintigraphy Late Phase.

    Hirshoren, Nir / Abd El Qadir, Narmeen / Weinberger, Jeffrey M / Eliashar, Ron / Ben-Haim, Simona

    The Laryngoscope

    2022  Volume 132, Issue 11, Page(s) 2164–2168

    Abstract: Objective: Sentinel node (SN) biopsy following lymphoscintography is recommended for high-risk cutaneous malignancies. Herein, we investigate different lymphoscintography phases, focusing on the importance of the late static phase and the resultant ... ...

    Abstract Objective: Sentinel node (SN) biopsy following lymphoscintography is recommended for high-risk cutaneous malignancies. Herein, we investigate different lymphoscintography phases, focusing on the importance of the late static phase and the resultant discovery of distal echelon solitary positive sentinel nodes that would otherwise have been overlooked.
    Methods: In this retrospective cohort study, conducted in a tertiary referral medical center, we assessed SN localization and time from tracer injection to SN identification on lymphoscintigraphy. Findings on scan were compared with SN found in the surgical field, and with the final pathological investigation.
    Results: Seventy-three patients, undergoing SN biopsy for head and neck skin malignancies, were investigated. Most patients were male (n = 50). The average age was 65.7 (±15.7) years and the average follow-up time was 29.1 (±22.4) months. Overall, 101 SNs were histologically investigated, demonstrating 7 positive SN. Eleven patients (15%) benefited from the late lymphoscintigraphy phase. In four studies, an SN was identified only in the late static phase, one of which was positive for the disease. In seven patients, SN was identified in the early phase with additional, different, SN on the late phase, one of which was positive for the disease. Comparing the yield (positive SNs) of early versus late phases, demonstrated the same importance (p = 0.275).
    Conclusions: The late lymphoscintigraphy phase has a crucial role in high-risk HN cutaneous cancer.
    Level of evidence: 3 Laryngoscope, 132:2164-2168, 2022.
    MeSH term(s) Aged ; Female ; Head and Neck Neoplasms/surgery ; Humans ; Lymph Nodes/pathology ; Lymphadenopathy ; Lymphoscintigraphy ; Male ; Melanoma/pathology ; Retrospective Studies ; Sentinel Lymph Node/diagnostic imaging ; Sentinel Lymph Node/pathology ; Sentinel Lymph Node Biopsy ; Skin Neoplasms/pathology
    Language English
    Publishing date 2022-02-24
    Publishing country United States
    Document type Journal Article
    ZDB-ID 80180-x
    ISSN 1531-4995 ; 0023-852X
    ISSN (online) 1531-4995
    ISSN 0023-852X
    DOI 10.1002/lary.30076
    Database MEDical Literature Analysis and Retrieval System OnLINE

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