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may be prone to thyroid cancer [15].
Thyroid cancer occurs when the thyroid produces hormones that control your heart rate, blood pressure, weight, and body temperature. It shows no signs or symptoms, and when it grows a lump on the neck that can be felt through the skin, the voice has changed and it has become hoarse. There are various classes of thyroid cancer. Some are growing very gradually and others can be very violent. Globally, thyroid cancer accounts for 32% and the incidence of new cases is 3 lakh per year. In addition, 32,000 thyroid cancer patients die annually.
3.2 Related Works
Over the years, many researchers worldwide worked in machine learning, deep learning, artificial intelligence, predictive analytics, and data science in health-related illness about future challenges and opportunities. Although some research works have been done to determine these possible causes, effects, and solutions, yet it is still a global problem. This chapter will study of thyroid disease using machine learning. Various researchers has studied research work basis for our research and understanding. There are some research papers in this regard are described below.
Parry and Kripke [11] have discussed thyroid effect on women mood disorders. Women have a higher risk of premenstrual, peripartum, and perimenopause that may occur in puberty with oral contraceptive onset and depressive illness. This paper study case reports of various persons and suggest some treatment guidelines such as Treatment-Resistant Unipolar Depression and Rapid Cycling Mood disorders. The conclusion of this paper is that, as compared to men, women have high number of depression.
Razia et al. [20] have studied various machine learning algorithms and comparison between them to achieve better accuracy in the prediction of thyroid disease. The conclusion of this paper is that the decision trees has better accuracy as compared to the naïve Bayes, SVM, and, multi-linear regression.
Pakdel and Ghazavi [12] have described selenium effect on Thyroid disorders. This paper conducts literature survey over the past 20 years’ (1995–2014) papers and discussed that this topic has increased in recent years. This literature paper was restricted to two index such as Social Science Citation Index and Science Citation Index Expanded and performing searching using keyword. The conclusion of this research is that similar studies have to be carried within next 5 years.
Priyanka et al. [1] have studied thyroid disease among women from rural and urban populations in Bangalore. It is described in this letter that every eight women in Bangalore are suffering from thyroid disease. This study was done at the actual hospital in Bangalore.
Godara [17] have predicted thyroid disease using machine learning technique. The method used to detect thyroid disease such as support vector machine and logistic regression on basis of recall, F-measure, error, ROC, and precision. To compare these techniques, Weka version is used.
Mathew [16] have studied thyroid cancer in South India. This study based on population taken from the Registry Program of National Cancer from 2005 to 2014. This paper studies the thyroid cancer patient in Thiruvananthapuram district and compares it with the other four regions Delhi, Mumbai, Bangalore, and Chennai. This paper found that Thiruvananthapuram has a higher rate of thyroid cancer in patients than in the other four regions.
3.3 Thyroid Functioning
Thyroid gland is a predominant organ of human body. Cardiovascular complications include an extreme thyroid condition, increased blood pressure, increased cholesterol levels, depression, and decreased fertility [2]. The thyroid gland has become an important disease in this endocrine region which is an endocrine gland located in the neck, in case of severity the patient may die [3]. There are two traditional diseases of the thyroid that are hyperthyroidism and hypothyroidism that release hormones in the thyroid that control the rate of metabolism of the body. The thyroid glands are made up of two active thyroid hormones that are Triiodothyronine Total (T3) and Thyroxine Total (T4) to control the metabolism of body [4]. From these two thyroid hormones T3 and T4, the main building part of the thyroid glands is iodine which prevails in some problems that are highly potent. To the prediction of disease, machine learning has played a decisive role and provides better accuracy. There are different classification algorithms for prediction whether the patient has thyroid disease or not.
Figure 3.1 Analysis of thyroid.
A machine learning model was trained with a data set of 1,300 benign thyroid nodules and trained with following variables: Name, Age, Triiodothyronine Total (T3), Thyroxine Total (T4), TSH (4th Generation), and Serum [5]. Serum are present in about 60% of patients with autoimmune thyroid disease and are more frequent in females. This research paper has analyzed thyroid disease among different ages in years as shown in Figure 3.1.
3.4 Category of Thyroid Cancer
There are various categories of thyroid cancers that are found in tumours based on cells. These are papillary thyroid cancer, follicular thyroid cancer, anaplastic thyroid cancer, and medullary thyroid cancer, as shown in Figure 3.2.
There are various categories of thyroid cancers.
• Papillary Thyroid Cancer: Papillary thyroid cancer occurs mostly in children and women and grows very slowly. The common type of thyroid cancer is papillary thyroid cancer. This type of cancer occurs at any stage but is mostly affected between the ages of 30 and 50 [6].
• Follicular Thyroid Cancer: This is the second most common type of cancer caused by the thyroid and is less common than papillary thyroid cancer. This type of cancer mostly affects people above the age of 50 years. It is also a type of behavioral thyroid cancer but the thyroid has a slightly higher risk of spreading than papillary cancer [6].
Figure 3.2 Categories of thyroid cancer.
• Anaplastic Thyroid Cancer: Anaplastic thyroid cancer has rapidly developing, poorly differentiated thyroid cancer that can begin with differentiated thyroid cancer or a benign thyroid tumor. It is often seen in patients who have prolonged thyroid inflammation. It spreads rapidly to both local and distant organs [6].
• Medullary Thyroid Cancer: Medullar thyroid cancer spreads more than other types of cancer. It is a special type of thyroid cancer that is hereditary in many patients. This type of cancer occurs in young children and can be treated well with adequate surgery [6].
3.5 Machine Learning Approach Toward the Detection of Thyroid Cancer
Machine learning is the technology of a new era, and it is the field that is used to construct models and is helpful in prediction of diseases. Machine learning algorithms are used to identify hidden patterns and relationships in historical data. Data are needed to support medical decision-making to predict accurate, robust, and efficient models. The use of machine learning in modern healthcare systems is increasing and necessary [7]. By 2025, CAGR has raised machine learning targets in the healthcare sector from $2.1 billion to $50.2% in 2018 to $36.1 billion. In fact, machine learning has an important part of patient data compared to improving healthcare delivery systems, cutting costs and developing, and monitoring and handling treatment processes and medicines. As we all know that maintaining and updating and recording the patient’s medical history is a very expensive process. These problems are solved by the use of machine learning technologies to reduce time, effort, and money.
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