YEAR	AUTHOR	DIFFERENTIAL DIAGNOSIS AND BACKGROUND
1990	Chesyln-Curtis S, Akosa AB et al.	Multiple Myeloma
1994	Ohshima et al.	Primary thyroid plasmacytoma with Hashimoto's disease.
1994	Kovacs CS et al.	Solitary plasmacytoma arising from a thyroid with Hashimoto's disease.
1999	Hasegawa et al.	Malignant lymphoma followed by plasmacytoma in Hashimoto's thyroiditis.
2000	Bourtsos EP et al.	Medullary carcinoma
2004	De Schrijver et al.	Rapidly enlarging thyroid mass in a patient with known Hashimoto's disease.
2006	Kuo et al.	Mass in the right thyroid lobe.
2007	Chaganti et al.	Rapidly enlarging palpable thyroid mass with Hashimoto’s thyroiditis
2008	Ozkan et al.	Multiple Myeloma had a rapidly enlarging mass in the right thyroid lobe
2009	Avila et al.	Rapidly enlarging palpable thyroid mass.
2010	Fraser et al.	Hashimoto’s thyroiditis
2010	Meccawy et al.	Hashimoto’s thyroiditis with progresssively enlargin mass with pressure syntoms including change in voice dyspenea and dysphasia.
2010	Abdel Khalek et al.	Hoarseness, dyspnea, dysphagia and anterior neck discomfort.
2010	Kandil et al.	Plasmacytoma is a cause of diffuse thyromegaly
2011	Patten et al.	Hashimoto’s thyroiditis in a Micropapillary carcinoma.
2011	Puliga et al.	Multinodular goiter
2011	Shahani et al.	Previous Diffuse large B cell lymphoma followed by a Plasmacytoma
2012	Yao CM et al.	this report discuss a case of Total thyroidectomy and neck lymph node dissection
2014	Hassan et al.	A 53-year-old male patient presented to the surgery OPD with history of swelling of the left side of his neck for the last six months.
2014	Lee et al.	Hashimoto thyroiditis presented with a growing nodule in the thyroid.
2014	Bhat et al.	Hashimoto's thyroiditis
2015	Mertens de Wilmars et al.	Rapidly enlarging palpable thyroid mass.
2019	Gochhait et al.,	Rapidly increasing diffuse thyroid mass
2019	Sahu KK et al.	Hoarseness of voice
2019	Fahd Refai et al.	Hashimoto’s thyroiditis

Table 1: Cases of Plasmacytoma since 1990 with differential diagnosis and background