Martin Jacob Black

Prof. Dr. Martin Jacob Black


Research Focus & Metrics

Academic Career Length

34Years (1993-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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15 February 2016 in The Journal of Laryngology & Otology
Verified
Journal Article
Closed access
PDF file
GMGrégoire B. Morand
Grégoire B. Morand
JMJ Madana
J Madana
SSS D Da Silva
S D Da Silva
MHM P Hier
M P Hier
AMA M Mlynarek
A M Mlynarek
MBMartin Jacob Black
Martin Jacob Black
Background: Merkel cell carcinoma is a rare, aggressive neurocutaneous malignancy. This study investigated whether patients with Merkel cell carcinoma in the head and neck had poorer outcomes than patients with Merkel cell carcinoma located elsewhere.Methods: A retrospective study was performed of patients with Merkel cell carcinoma treated at the Jewish General Hospital in Montréal, Canada, from 1993 to 2013. Associations between clinicopathological characteristics and disease-free and disease-specific survival rates were examined according to the Kaplan–Meier method.Results: Twenty-seven patients were identified. Although basic clinicopathological characteristics and treatments were similar between head and neck and non-head and neck Merkel cell carcinoma groups, disease-free and disease-specific survival rates were significantly lower in the head and neck Merkel cell carcinoma group (log-rank test; p = 0.043 and p = 0.001, respectively). Mortality was mainly due to distant metastasis.Conclusion: Patients with head and neck Merkel cell carcinoma had poorer survival rates than patients with non-head and neck Merkel cell carcinoma in our study. The tendency to obtain close margins, a less predictable metastatic pattern, and/or intrinsic tumour factors related to the head and neck may explain this discrepancy.

1 January 2015 in Journal of Otolaryngology - Head & Neck Surgery
Verified
Journal Article
Open access
PDF file
JMJ. Madana
J. Madana
FLFrederick Laliberté
Frederick Laliberté
GMGrégoire B. Morand
Grégoire B. Morand
DYDeeke Yolmo
Deeke Yolmo
MBMartin Jacob Black
Martin Jacob Black
MHMichael P. Hier
Michael P. Hier
Background: Tumor thickness has been shown in oral tongue squamous cell carcinoma (OTSCC) to be a predictor of cervical metastasis. The postoperative histological measurement is certainly the most accurate, but it would be of clinical interest to gain this information prior to treatment planning. This retrospective study aimed to compare the tumor thickness measurement between preoperative, CT scan, and surgical specimens. Methods: We retrospectively included 116 OTSCC patients between 2001 and 2013. Thickness was measured on computer tomography imaging and again surgical specimens. Results: The median age was 66 years. 62.8 % of patients were smokers with a mean of 31.4 pack-years. Positive nodal disease was reported in 41.2 %. Mean follow-up time was 33.1 months. The correlation between CT scan-based tumor thickness and surgical specimens based thickness was significant (Spearman rho = 0.755, P < 0.001). Conclusion: Tumor thickness assessed by CT scan may provide an accurate estimation of true thickness and can be used in treatment planning.

1 January 2013 in Journal of Otolaryngology - Head & Neck Surgery
Verified
Journal Article
Open access
PDF file
FZFaisal Zawawi
Faisal Zawawi
AMAlex M Mlynarek
Alex M Mlynarek
ACArielle Cantor
Arielle Cantor
RVRickul Varshney
Rickul Varshney
MBMartin Jacob Black
Martin Jacob Black
RPRichard Payne
Richard Payne
Background: Intraoperative parathyroid hormone level (IOPTH) is withdrawn during parathyroidectomy to confirm the success of the procedure. Recently, the importance of IOPTH has been put to question. The purpose of this study is to determine whether IOPTH is necessary for all patients undergoing parathyroidectomy in the presence of frozen section. Materials and methods: A cohort study of parathyroidectomies was performed in three university affiliated hospitals during 2007-2012. The patients were divided into two groups. Group 1: Patients with two preoperative concordant imaging localizing a hyperactive gland. Group 2: Patients without two concordant imaging. A comparison of benefit of IOPTH was carried out. Frozen section results were also analyzed to determine sensitivity and predictability of a parathyroid adenoma. Results: The study considered 221 patients having parathyroidectomies for primary hyperparathyroidism (PHPT). Of them, 10 were excluded due to incomplete data. Among the remaining, 186 had 2 concordant imaging preoperatively localizing an adenoma. 93.5% of whom were found intraoperatively in that location. IOPTH was not found to be of importance in 98.92% of the preoperative localized adenomas in the presence of frozen section. IOPTH added an estimate of 30.9 minutes on average to the surgery time. Conclusion: This study demonstrates that the added operating time associated with IOPTH may not be justified for patients undergoing parathyroidectomy who have 2 concordant imaging preoperatively in the presence of frozen section. This study suggests a simple algorithm, The McGill Parathyroid Protocol (MPP), to help in approaching PHPT patients undergoing parathyroidectomy.

22 June 2022 in Current Oncology
Verified
Journal Article
Open access
PDF file
JAJustine Georgina Albert
Justine Georgina Albert
CLChristopher Lo
Christopher Lo
ZRZeev Rosberger
Zeev Rosberger
Saul FrenkielSaul Frenkiel
Saul Frenkiel
MHMichael P. Hier
Michael P. Hier
Melissa HenryMelissa Henry
Melissa Henry
(1) Background: Patients and survivors of head and neck cancer (HNC) are at a high risk of developing body image concerns. Despite the prevalence of body image concerns in patients with HNC, there is a lack of longitudinal research exploring the wide array of its associated determinants. The current longitudinal study examined the determinants and longitudinal course of body image dissatisfaction in patients with HNC. (2) Methods: Patients participated in Structured Clinical Interviews and self-administered questionnaires at four time-points: (T1) upon cancer diagnosis, (T2) at 3 months post-diagnosis, (T3) at 6 months post-diagnosis, and (T4) at 12 months post-diagnosis. They also underwent a disfigurement rating on an objective scale. (3) Results: Two hundred and twenty-four patients participated in our study. Fourteen percent to twenty-eight percent of patients reported at least moderate body image concerns across time points, with the lowest rates at baseline and the highest at 3 months (T1). It was found that patients more predisposed to developing higher levels of body image concerns presented physical markers (i.e., advanced cancer stage, lower physical functioning, higher disfigurement), psychosocial markers (i.e., higher depression, higher anxiety, and higher levels of coping with denial), and health disparities (i.e., younger age, female sex, French language, and marital status, with divorced and widowers most affected). (4) Conclusions: The findings of this study highlight the multifaceted nature of body image concerns in patients with HNC and its biopsychosocial determinants. Clinicians should pay specific attention to these biopsychosocial markers in their clinics to predict high levels of body image concerns and tailor communication/refer for support accordingly.

1 June 1993
Verified
Journal Article
Closed access
MHM Hier
M Hier
MBMartin Jacob Black
Martin Jacob Black
GLG Lafond
G Lafond

21 April 2010 in The Laryngoscope
Verified
Journal Article
Closed access
PDF file
TVThien‐Tuong‐Vi Vu
Thien‐Tuong‐Vi Vu
NYNadine V. Yammine
Nadine V. Yammine
HAHadi Al‐Hakami
Hadi Al‐Hakami
MHMichael P. Hier
Michael P. Hier
MBMartin Jacob Black
Martin Jacob Black