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Thu, 21.11.24

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February 2022
Anton Warshavsky MD, Roni Rosen MD, Uri Neuman MD, Narin Nard-Carmel MD, Udi Shapira MD, Leonor Trejo MD, Dan M. Fliss MD, and Gilad Horowitz MD

Background: Accuracy of the number and location of pathological lymph nodes (LNs) in the pathology report of a neck dissection (ND) is of vital importance.

Objectives: To quantify the error rate in reporting the location and number of pathologic LNs in ND specimens.

Methods: All patients who had undergone a formal ND that included at least neck level 1 for a clinical N1 disease between January 2010 and December 2017 were included in the study. The error rate of the pathology reports was determined by various means: comparing preoperative imaging and pathological report, reporting a disproportionate LN distribution between the different neck levels, and determining an erroneous location of the submandibular gland (SMG) in the pathology report. Since the SMG must be anatomically located in neck level 1, any mistake in reporting it was considered a categorical error.

Results: A total of 227 NDs met the inclusion criteria and were included in the study. The study included 128 patients who had undergone a dissection at levels 1–3, 68 at levels 1–4, and 31 at levels 1–5. The best Kappa score for correlation between preoperative imaging and final pathology was 0.50. There were nine cases (3.9%) of a disproportionate LN distribution in the various levels. The SMG was inaccurately reported outside neck level 1 in 17 cases (7.5%).

Conclusions: At least 7.5% of ND reports were inaccurate in this investigation. The treating physician should be alert to red flags in the pathological report

Itay Zoarets MD, Yehonatan Nevo MD, Chaya Schwartz MD, Moti Cordoba BSc, Udi Shapira BSc, Motti Gutman MD FACS, and Oded Zmora MD FACS FASCRS

Background: Pilonidal sinus is a chronic, inflammatory condition. Controversy exists regarding the best surgical  management for pilonidal sinus, including the extent of excision and type of closure of the surgical wound.

Objectives: To assess the short- and long-term outcomes and success rate of the trephine procedure for the treatment of pilonidal sinus.

Method: A retrospective observational cohort study was conducted at a single center. Patients who underwent trephine procedure between 2011 and 2015 were included. Data collection included medical records review and a telephone interview to establish long-term follow-up.

Results: A total of 169 patients underwent the trephine technique for the repair of pilonidal sinus. Follow-up included 113 patients, median age 20 years. Initial postoperative period, 35.6% recalled no pain and 58.6% reported a mild to moderate pain. Postoperative complications included local infection (7.5%) and mild bleeding (15.1%). On early postoperative follow-up, 47.1% recalled no impairment in quality of life, and 25%, 21.2 %, and 6.7% had mild, moderate and sever disturbance respectively. The median time to return to work or school was 10 days. At a median follow-up of 29 months (IQR 19–40), recurrence rate was 45.1% (51/113), and 38 (33.9%) of the patients underwent another surgical procedure. Overweight, smoking, and family history were associated with higher recurrence rate.

Conclusion: The trephines technique has a significant long-term recurrence rate. Short-term advantages include low morbidity, enhanced recovery, and minimal to mild postoperative impairment to quality of life. The trephine procedure may be justified as a first treatment of pilonidal disease

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