Journals / İstanbul Medical Journal / 2015 / Cilt: 16 - Sayı: 1

Granular Cell Tumor: A Case Report

Granüler Hücreli Tümör: Bir Olgu Sunumu

Pages
38–41
Publication Date
2022-10-19
DOI
—
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

No recurrence was observed for 13 months in its pursuits after wide local excision.

📌 3 Key Takeaways

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Objective & Hypothesis:Granular cell tumor is an uncommon, benign tumor that mainly occurs on the skin, tongue, and oral cavity as a single nodule.
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Key Findings & Data:This tumor was previously thought to be derived from muscle by Abrikossoff and was called as "granular cell myoblastoma." Recent ultrastructural studies and stains such as S100 and neuron-specific enolase confirm that this tumor is derived from Schwann cells of the peripheral nerves.
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Conclusion & Impact:No recurrence was observed for 13 months in its pursuits after wide local excision.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Granular cell tumor is an uncommon, benign tumor that mainly occurs on the skin, tongue, and oral cavity as a single nodule. This tumor was previously thought to be derived from muscle by Abrikossoff and was called as "granular cell myoblastoma." Recent ultrastructural studies and stains such as S100 and neuron-specific enolase confirm that this tumor is derived from Schwann cells of the peripheral nerves. A 48-year-old male patient was admitted to our hospital with the complaint of expanding mass in his left lumbar region for about 5five months. On his dermatological examination, a 5 x 4 cm sized, pink--brown tumor was detected in his left lumbar region. The tumor was hard on palpation. There was an ulcer 1 cm in diameter at its center. The borders of the tumor were regular. On histopathological examination, pseudoepitheliomatous hyperplasia in the epidermis and tumoral infiltration in the dermis were detected; the infiltration was composed of cells with large eosinophilic cytoplasm containing fine granules and numerous oval--round nuclei. Cytoplasmic granules stained positive with PAS and S100 stain. Granular cell tumor was diagnosed on the basis of clinical and histopathological features. The clinical diagnosis of granular cell tumor is difficult and depends on the histopathological findings. Outside of the typical region of involvement, as observed in our case, any region can be involved. Granular cell tumor is a benign neoplasm with good prognosis. A tumor larger than 4 cm in diameter, the presence of ulceration, rapid growth, and lymphadenopathies are signs that suggest malignancy. Although in our case the lesion was greater than 4 cm in diameter, there was ulceration, and rapid growth, the histopathological features were benign. No recurrence was observed for 13 months in its pursuits after wide local excision.

Özet

Granüler hücreli tümör çoğunlukla deri, dil ve oral kavitede tek bir nodül olarak oluşan nadir, benign bir tümördür. Abrikossoff tarafından tümö- rün ilk olarak kas dokudan kaynaklandığı düşünülmüş ve granüler hücreli miyoblastom olarak adlandırılmıştır. Günümüzde yapılan ultrastriktürel çalışmalar ve S100 proteini antikor boyama (S100), nöron spesifik enolaz gibi boyalar bu tümörün periferik sinirlerin Schwann hücrelerinden kaynaklandığını doğrulamaktadır. Kırk sekiz yaşında erkek hasta yaklaşık 5 aydır sol lomber bölgede büyüyen kitle nedeniyle başvurdu. Dermatolojik muayenesinde sol lomber bölgede 5 x 4 cm çapında pembe-kahverengi renkte tümör izlendi. Tümör palpasyonla sertti. Merkezinde 1 cm çapında ülser mevcuttu. Sınırları düzenliydi. Lezyonun histopatolojik incelemesinde; epidermiste psödoepitelyomatöz hiperplazi, dermiste geniş eozinofilik sitoplazmalı, sitoplazmalarında ince granüller içeren, çok sayıda oval yuvarlak nükleuslu hücrelerden oluşan tümöral infiltrasyon saptandı. Sitoplazmik granüller Periyodik asit-Schiff (PAS) boyası ile ve S100 boyama ile pozitif boyandı. Klinik ve histopatolojik özelliklerle granüler hücreli tümör tanısı konuldu. Granüler hücreli tümörün klinik tanısı zordur ve histopatolojik bulgulara bağlıdır. Tipik tutulum bölgeleri dışında, bizim olgumuzda olduğu gibi herhangi bir bölge tutulabilir. Granüler hücreli tümör iyi prognozlu benign bir neoplazmdır. Tümörün 4 cm'den büyük olması, ülserasyon, lenfadenopati varlığı ve hızlı büyümesi maligniteyi akla getiren bulgulardır. Bizim olgumuzda lezyon 4 cm'den büyük olmasına, hızlı büyümesine ve ülserasyon içermesine rağmen histopatolojik özellikler benigndi. Geniş lokal eksizyon sonrası 13 aylık takiplerinde rekürrens izlenmedi.

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Cite This Article

SARIKAYA, E., KİREMİTÇİ, Ü., LEBLEBİCİ, C., FALAY, T., AKSU, A. E. K. (2022). Granular Cell Tumor: A Case Report. İstanbul Medical Journal, Cilt: 16 - Sayı: 1, 38–41. https://ajindex.com/articles/552153

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