Please let me know if these references are useful to you.

Reference 1:

Differential Diagnosis in Neuroendocrine Neoplasms of the Larynx.

Hunt JL, Ferlito A, Hellquist H, Rinaldo A, Skálová A, Slootweg PJ, Willems SM, Cardesa A.

Adv Anat Pathol. 2017 May;24(3):161-168. doi: 10.1097/PAP.0000000000000147. Review.

PMID:

28338500

Reference 2:

Chondroradionecrosis of the Larynx in a Patient with Laryngeal: A Case Report.

Ahmadi A, Salem MM, Safdarian M, Ilkhani S, Hamidian R, Cheraghipour M, Daneshvar A, Izadi F.

Iran J Otorhinolaryngol. 2017 May;29(92):179-180.

PMID:

28589113

While the second reference is a case report, it is available for free on the internet and downloadable.

Dennis

Dennis Mazur

Dear Dennis Mazur:

Thank you very much for your advice. I've got all the two references. Reference 1 is really helpful to me. 

Please let me know if the following site is useful to you:

Differential diagnoses of laryngeal cancer

Chronic laryngitis

Polyps on the vocal cord(s)

Reinke's edema

Contact granuloma

HPV papillomas

Benign tumors (rare)

site:  

http://oncolex.org/Head-and-Neck-cancer/Diagnoses/Larynx/Background/DifferentialDiagnoses

Dennis

Dennis Mazur

Dear Dennis Mazur:

Thank you very much!

It's helpful to me because I'm going to study chronic laryngitis, Reinke's edema, contact granuloma, and HPV papillomas in my next project.

Bin