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  1. Rownose CS, Mohamad Saupi MS, Sharif SZ, Lah NASN
    Ann Med Surg (Lond), 2021 May;65:102322.
    PMID: 33996055 DOI: 10.1016/j.amsu.2021.102322
    Introduction: Ductal Eccrine carcinoma (DEC) is a rare primary cutaneous tumor that exhibits both squamous and adnexal ductal differentiation. Due to its rarity in clinical practice we present as case of DEC and a literature review on the latest management of this rare disease.

    Case presentation: We report a case 41 years old female presented with lesion on the scalp and sternal mass, increasing in size with itchiness and erythematous for 6 months duration. Further CECT scan of brain and neck shows features of malignant left frontal scalp lesion with poor plane with overlying skin and underlying skull bone and CECT of thorax shows a large, irregular heterogeneously enhancing mass with necrotic center noted at right hilar within superior segment of right lower lobe, encasing right middle and lower lobe bronchi. Wedge biopsy of scalp lesion showed an intradermal lesion extensively infiltrating by malignant gland accompanied by desmoplasia and the tumor cells are seen extending into the surgical margins suggestive of ductal eccrine carcinoma.Clinical Discussion:This case highlights the importance and challenges in achieving early diagnosis coupled with the scarcity of information on these leads to difficulty in managing this patient.

    Conclusion: In managing Ductal Eccrine Carcinoma tumor, standard method of treatment for has not been established. However, wide surgical excision is the treatment of choice for localized lesions. Regarding prognosis, there is conflicting data published which we describe in this article.

    Matched MeSH terms: Margins of Excision
  2. Chai KS, Omar FH, Mat Saad AZ, Wan Sulaiman WA, Halim AS
    Arch Plast Surg, 2019 Sep;46(5):426-432.
    PMID: 31550747 DOI: 10.5999/aps.2018.01487
    BACKGROUND: The mandible is an important structure that is located in the lower third of the face. Large mandibular defects after tumor resection cause loss of its function. This study assessed the outcomes and tumor recurrence after immediate mandibular reconstruction using a free fibula osteocutaneous flap following radical resection of ameloblastoma.

    METHODS: This is a retrospective non-randomized study of outcomes and tumor recurrence of all patients diagnosed with mandibular ameloblastoma from August 1997 until August 2017 (20 years) requiring free fibula osteocutaneous flap reconstruction at a single institution. The patients were identified through an electronic operative database; subsequently, their medical records and photo documentation were retrieved.

    RESULTS: Twenty-seven patients were included in this study. Eighteen patients were male, while nine were female. The majority of the patients (48.1%) were in their third decade of life when they were diagnosed with ameloblastoma. All of them underwent radical resection of the tumor with a surgical margin of 2 cm (hemimandibulectomy in cases with a large tumor) and immediate mandibular reconstruction with a free fibula osteocutaneous flap. Two patients required revision of a vascular anastomosis due to venous thrombosis postoperatively, while one patient developed a flap recipient site infection. The flap success rate was 100%. There was no tumor recurrence during a mean follow-up period of 5.6 years.

    CONCLUSIONS: Mandibular ameloblastoma should be treated with segmental mandibulectomy (with a surgical margin of 2 cm) to reduce the risk of recurrence. Subsequent mandibular and adjacent soft tissue defects should be reconstructed immediately with a free fibula osteocutaneous flap.

    Matched MeSH terms: Margins of Excision
  3. Senarath NH, Jayasooriya PR, Siriwardena BSMS, Tilakaratne WM
    Asian Pac J Cancer Prev, 2021 Aug 01;22(8):2313-2321.
    PMID: 34452541 DOI: 10.31557/APJCP.2021.22.8.2313
    BACKGROUND: Epithelial dysplasia (ED) at oral cancer excision margins is a frequent finding. Dysplastic epithelium at excision margins may not be similar to dysplasia in Oral potentially malignant disorders (OPMD) as malignant transformation has already taken place. Therefore, management of ED at excision margins should be different to that of OPMD. ED creates a dilemma in relation to further management of cancer patients, since there are no accepted guidelines. Therefore, the objective of this review is to analyze  existing literature and to arrive at evidence based recommendations for the management of ED at excision margins.

    METHODS: A comprehensive string was run on PubMed, Medscape and Medline. The final outcome included 113 studies. Finally, the most relevant 10 articles were critically assessed for inclusion and exclusion criteria against various parameters.

    RESULTS AND CONCLUSIONS:   Severe and Moderate ED need re-excision in order to improve prognosis. There is not enough sound evidence for the management of Mild ED at excision margins of oral squamous cell carcinoma. Guidelines for the management of ED at excision margins should be formulated after comprehensive multi center studies using lager cohorts of patients.
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    Matched MeSH terms: Margins of Excision*
  4. Vijayan S, Mohammed AP, Kulkarni MS, Rao SK
    BMJ Case Rep, 2021 Jan 28;14(1).
    PMID: 33509874 DOI: 10.1136/bcr-2020-238366
    Synovial sarcomas are deep-seated, genetically distinct, malignant neoplasms seen in young adults, with a male preponderance. They have unusual clinical and pathological presentation and mimic many other sarcomas and carcinomas, making the diagnosis quite challenging. Although four variants are identified, occurrence in the hand is extremely rare and leads to significant morbidity. There is a high incidence of local recurrence and distant metastasis within the first 2 years. We report the case of an elderly woman with monophasic spindle cell synovial sarcoma who presented with painless swelling in her palm and underwent local excision of the neoplasm. At 2-year follow-up, she remains totally asymptomatic with normal function of the hand. We also attempt to give an overview about monophasic spindle cell synovial sarcoma with the differentials, which would help surgeons in prompt diagnosis and appropriate management.
    Matched MeSH terms: Margins of Excision
  5. Lim CY, Duski S, Chye PC
    Case Rep Orthop, 2019;2019:5156032.
    PMID: 31485364 DOI: 10.1155/2019/5156032
    Intramuscular myxomas are rare, benign mesenchymal tumors. Tumor location in the forearm is very rare among all the intramuscular myxomas. To the best of our knowledge, there were two cases of supinator intramuscular myxoma reported in the literature, and we intend to report the third case of supinator myxoma with encasement of the posterior interosseous nerve (PIN). A 67-year-old lady presented with history of left proximal forearm swelling for the past 5 years. Magnetic resonance imaging showed a lobulated multiseptated lesion seen within left supinator muscle, which was hyperintense on T2-weighted images (T2WI) and hypointense on T1-weighted images (T1WI), with peripheral enhancement post contrast. The tissue diagnosis of myxoma was confirmed via an open biopsy. She underwent en bloc resection of the tumor. The PIN was encased by the tumor; it was preserved and carefully released from the tumor. The nerve sheath served as an excision margin. In conclusion, we present a rare case of an intramuscular myxoma in the supinator muscle. In view of the location, extra attention should be paid during excision surgery to locate the PIN and to avoid damaging the surrounding structures.
    Matched MeSH terms: Margins of Excision
  6. Naidu J, Bartholomeusz D, Zobel J, Safaeian R, Hsieh W, Crouch B, et al.
    Endoscopy, 2021 Jan 13.
    PMID: 33440437 DOI: 10.1055/a-1353-0941
    AIM: This study evaluated clinical outcomes of combined chemotherapy and Endoscopic Ultrasound (EUS) guided intra-tumoral radioactive phosphorus-32 (32P OncoSil) implantation in locally advanced pancreatic adenocarcinoma (LAPC).

    METHODS: Consecutive patients with a new histological diagnosis of LAPC were recruited over 20 months. Baseline CT and 18FDG PET-CT were performed and repeated after 12 weeks to assess response to treatment. Following 2 cycles of conventional chemotherapy, patients underwent EUS-guided 32P OncoSil implantation followed by a further six cycles of chemotherapy.

    RESULTS: Twelve patients with LAPC (8M:4F; median age 69 years, IQR 61.5-73.3) completed the treatment. Technical success was 100% and no procedural complications were reported. At 12 weeks, there was a median reduction of 8.2cm3 (95% CI 4.95-10.85; p=0.003) in tumour volume, with minimal or no 18FDG uptake in 9 (75%) patients. Tumour downstaging was achieved in 6 (50%) patients, leading to successful resection in 5 (42%) patients, of which 4 patients (80%) had clear (R0) resection margins.

    CONCLUSIONS: EUS guided 32P OncoSil implantation is feasible and well tolerated and was associated with a 42% rate of surgical resection in our cohort. However, further evaluation in a larger randomized multicenter trial is warranted. (32P funded by OncoSil Medical Ltd, equipment and staff funded by the Royal Adelaide Hospital, ClinicalTrials.gov number, NCT03003078).

    Matched MeSH terms: Margins of Excision
  7. Ali R, Parthiban N, O'Dwyer T
    J Surg Tech Case Rep, 2014 Jan;6(1):21-5.
    PMID: 25013548 DOI: 10.4103/2006-8808.135144
    Desmoid fibromatosis is a benign yet locally aggressive tumor with a tendency to recur. It causes considerable morbidity particularly when it arises in a small area in the head and neck region. This tumor is extremely rare in the submandibular region. We report a case of desmoid tumor in the submandibular region in a 32-year-old male who presented with right submandibular swelling postextraction of right lower wisdom tooth. Excision biopsy was carried out initially following inconclusive fine needle aspiration and discussion at multidisciplinary meeting. The tumor recurred 4 months following initial excisional biopsy necessitating a more radical secondary approach involving segmental mandibulectomy. Intraoperatively we also noted that the tumor was originating from the site of previous wisdom tooth extraction, raising the question of surgical trauma as precursor of desmoid tumor. We achieved a negative resection margin and a complete remission for 24 months.
    Matched MeSH terms: Margins of Excision
  8. Cheng KP, Wong WJ, Hashim S, Mun KS
    J Thorac Dis, 2017 Sep;9(9):E752-E756.
    PMID: 29221336 DOI: 10.21037/jtd.2017.08.74
    Hemangiopericytomas (HPCs) are uncommon tumours. We present the case of a 41-year-old female with multiple resections at different sites over the course of 11 years. The approach considerations, as well as treatment options and prognosis are discussed. A 41-year-old female with two previous resections for intracranial meningeal HPC in 2004 and 2008, as well as adjuvant radiotherapy, presented in 2015 with left intrathoracic and left hip recurrence confirmed by positron emission tomography/computed tomography (PET/CT). She underwent left proximal femur resection/reconstruction and video-assisted thoracoscopic surgery (VATS) resection of the intrathoracic tumour was attempted. She was discharged home on her 4th post-operative day with minimal pain. There were no neurosensory or motor deficits. Any patient who has been diagnosed with HPC in the past who develops new symptoms should be worked up for recurrence, regardless of the length of disease-free interval, as our case study suggested. There has yet to be a standardized follow-up regime due to the rarity of these tumours. HPC remains a rare soft tissue sarcoma with high recurrence rate. Planned VATS evaluation and resection is possible provided complete resection with clear surgical margins can be achieved, as clear surgical margins offer the best chance of survival.
    Matched MeSH terms: Margins of Excision
  9. Gan DEY, Choy RXY, Sellappan H, Hayati F, Azizan N
    Oman Med J, 2021 Mar;36(2):e239.
    PMID: 33768970 DOI: 10.5001/omj.2021.21
    Perivascular epithelioid cell tumors (PEComas) are a family of rare mesenchymal tumors with discrete histological and immunohistochemical characteristics. Even rarer among them are cutaneous and subcutaneous PEComas. We describe a 34-year-old woman who presented with a large anterior abdominal subcutaneous lesion showing intact overlying skin and no obvious invasion of the abdominal musculature. A wide local excision was performed. Histopathology revealed a solitary tumor measuring 75 × 55 × 90 mm with epithelioid cells in nests with thin fibrovascular septa and spindle cells. Resection margins were clear with no invasion to the skin or rectus sheath. Tumor cells were positive for HMB-45 but negative for other markers. This is the largest subcutaneous PEComa reported to date.
    Matched MeSH terms: Margins of Excision
  10. Julius A, Kajita T, Utteridge TMA
    PhytoKeys, 2020;145:139-148.
    PMID: 32327930 DOI: 10.3897/phytokeys.145.48573
    Ardisia argentiana and A. nagaensis from subgenus Tetrardisia are herein described and illustrated as new species. They are endemic to Borneo and the Indonesian province of Central Kalimantan and to the Malaysian state of Sarawak, respectively. Ardisia argentiana is unique in its linear-oblong leaves, with a long, acuminate-caudate apex, and finely serrulate margins, while A. nagaensis can be easily recognized by its elliptic-lanceolate leaves.
    Matched MeSH terms: Margins of Excision
  11. Govindaraj PK, Kallarakkal TG, Mohd Zain R, Tilakaratne WM, Lew HL
    PLoS One, 2021;16(12):e0261575.
    PMID: 34941961 DOI: 10.1371/journal.pone.0261575
    BACKGROUND: Local relapse of oral squamous cell carcinoma in non-involved mucosal surgical margins indicated possibility of field alteration in the margins, which could be predicted with certain biomarkers. The objectives were to evaluate the expression of Ki-67, Cornulin and ISG15 in non-involved mucosal surgical margins and the association of clinicopathological prognosticators with local relapse in oral squamous cell carcinoma.

    METHODS: Surgical margins from the study (relapse) group (n = 23), control (non-relapse) group (n = 32) and normal oral mucosa (n = 5) were immunohistochemically stained using Ki-67, Cornulin and ISG15 antibodies. Association between expression of markers and clinicopathological prognosticators with local relapse in oral squamous cell carcinoma was analyzed statistically.

    RESULTS: The study group surgical margins demonstrated significantly decreased Cornulin expression (p = 0.032). Low Cornulin expression was significantly associated with local relapse (p = 0.004) and non-tongue primary tumor (p = 0.013). Although not significantly associated with local relapse, expression of Ki-67 was significantly reduced in female patients (p = 0.041). Age above 57.5 years, Chinese & Indian ethnicity, alcohol consumption, epithelial dysplasia in surgical margins, and type III and IV patterns of invasion of tumor were also significantly related to local relapse. Regression analysis showed low expression of Cornulin (p = 0.018), and increased patient's age (p = 0.008) were predictors of local relapse in oral squamous cell carcinoma, with 34-fold risk and 18-fold risk, respectively. Expression of Ki-67 and ISG15 did not show significant association with local relapse in oral squamous cell carcinoma.

    CONCLUSION: Low expression of Cornulin is an independent predictor of relapse in oral squamous cell carcinoma.

    Matched MeSH terms: Margins of Excision
  12. Shahrun Niza AS, Rohaizak M, Naqiyah I, Srijit D, Noraidah M
    Malays J Med Sci, 2011 Apr;18(2):82-4.
    PMID: 22135593 MyJurnal
    Most breast cancer recurrences occur in the surgical scars or within other quadrants of the same breast. Isolated tumour recurrence occurring in the nipple after breast-conserving surgery and radiotherapy is extremely unusual. The reason for this is unknown, but is speculated to be due to involved surgical margins or an occult involvement of the nipple-areolar complex in a breast cancer of the same breast. We present a case of a 44-year-old Indian woman who had recurrent tumour over her right nipple after an ipsilateral breast-conserving surgery that was followed by adjuvant chemotherapy and radiotherapy. There was no typical malignancy features from the mammogram. However, histopathological study confirmed a malignant growth that infiltrated into the dermis and the underneath breast tissue. Completion mastectomy was then performed and the patient was later treated with Taxane-based chemotherapy. Nipple recurrence after breast-conserving surgery and adjuvant radiotherapy may be confused with other nipple conditions such as Paget's disease of the breast. Comprehensive assessments, which include mammogram and biopsy, have proved that such recurrence do occur, as presented in this case. This warrants a specific management strategy.
    Matched MeSH terms: Margins of Excision
  13. Ng SY, Pua KC, Zahirrudin Z
    Med J Malaysia, 2015 Dec;70(6):367-8.
    PMID: 26988214 MyJurnal
    Temporal bone squamous cell carcinoma (TBSCC) is rare and poses difficulties in diagnosing, staging and management. We describe a case series with six patients who were diagnosed TBSCC, from January 2009 to June 2014, with median age of 62 years old. All patients presented with blood-stain discharge and external auditory canal mass, showing that these findings should highly alert the diagnosis of TBSCC. Three patients staged T3 and another three with T4 disease. High-resolution CT (HRCT) temporal findings were noted to be different from intraoperative findings and therefore we conclude that MRI should be done to look for middle ear involvement or other soft tissue invasion for more accurate staging. Lateral temporal bone resection (LTBR) and parotidectomy was done for four patients with or without neck dissection. Patients with positive margin, perineural invasion or parotid and glenoid involvement carry poorer prognosis and postoperative radiotherapy may improve the survival rate. One patient had successful tumor resection via piecemeal removal approach in contrast with the recommended en bloc resection shows that with negative margin achieved, piecemeal removal approach can be a good option for patients with T2-3 disease. In general, T4 tumor has dismal outcome regardless of surgery or radiotherapy given.
    Matched MeSH terms: Margins of Excision
  14. Teoh LY, Lai LL, Hanim Aa A, Teh MS, Jamaris S, Yahya A, et al.
    Breast J, 2020 11;26(11):2208-2212.
    PMID: 32996224 DOI: 10.1111/tbj.14060
    Oncoplastic breast surgery (OBS) improves margin clearance and produces good esthetic outcome in breast cancer treatment. This study evaluates the complications and outcome of OBS in a multiracial patient cohort. Data of 421 patients between 2011 and 2018 were analyzed. The majority were Malays (41.8%), followed by Chinese (39.7%) and Indians (16.8%). Low local complications were noted, with no significant differences in disease-free survival (P = .927) and overall survival (P = .719) between low and high OBS levels. Shared decision-making in offering OBS for Asian women has potential to become a practical option in breast cancer treatment.
    Matched MeSH terms: Margins of Excision
  15. Ismail MI, Wong YP, Tan GH, Fam XI
    Urol Ann, 2017 5 10;9(2):197-199.
    PMID: 28479778 DOI: 10.4103/UA.UA_168_16
    Aggressive angiomyxoma (AAM) particularly testicular origin is a rare benign mesenchymal myxoid tumor which is locally aggressive, blatant for local recurrence, and may metastasize. It occurs mostly in females of childbearing age and extremely rare in males. AMM particular testicular origin is not reported in literature yet. This is a 65-year-old man who had a right scrotal swelling. Ultrasound scrotum showed a soft tissue tumor of the right testis. The patient underwent radical right orchidectomy of which histopathologically confirmed to be a paratesticular AAM with clear resection margins. There were no signs of local recurrence or metastasis 2 years postsurgical resection.
    Matched MeSH terms: Margins of Excision
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