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10 "Granular cell tumor"
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Case Study
Pediatric granular cell tumor in the posterior wall of the larynx extending to the trachea
Jungsuk Ahn, Na Rae Kim, Yong Han Sun
J Pathol Transl Med. 2020;54(4):336-339.   Published online April 15, 2020
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  • 108 Download
AbstractAbstract PDF
Granular cell tumor (GCT) is a slow-growing benign neoplasm that can be found in any organ. Pediatric laryngotracheal GCT is rare. We experienced a 6-year-old boy suffering from a barking cough and symptoms of stridor and croup for one month. Head and neck computed tomography revealed a protruding mass that occluded 60% of the airway lumen. Under the impression of hemangioma or papilloma, excision revealed a submucosal non-encapsulated mass. Histologically, the mass was composed of sheets of large polyhedralshaped tumor cells containing plump eosinophilic granular cytoplasm and centrally placed, small, bland-appearing nuclei. The tumor cells were positive for S-100 protein, and voluminous eosinophilic cytoplasm was stained by diastase-resistant periodic acid-Schiff. The present report describes a unique case of a huge pediatric laryngeal GCT extending to the subglottic trachea. We also review the clinical course of pediatric laryngotracheal GCT and emphasize the importance of diagnosing GCT in children.
Case Reports
Granular Cell Astrocytoma: Report of a Case
Kyu Ho Kim, Ju Young Song, Chang Hwan Choi, Lucia Kim, Suk Jin Choi, Jee Young Han, Joon Mee Kim, Young Chae Chu, In Suh Park
Korean J Pathol. 2012;46(4):370-372.   Published online August 23, 2012
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  • 46 Download
  • 2 Citations
AbstractAbstract PDF

We report here a rare case of granular cell astrocytoma. A 75-year-old man was admitted to Inha University Hospital with a three-month history of language deterioration. In a magnetic resonance imaging, a 6.5 cm-sized heterogeneous enhancing mass was seen in both the frontal lobes and the anterior genu of the corpus callosum. A stereotactic biopsy was performed. The tumor was composed of large and small round cells with abundant intracytoplasmic granules. The nuclei were bland, round to oval, and often eccentrically located. The cytoplasm of the tumor cells was positive for glial fibrillary acidic protein and S-100 protein.


Citations to this article as recorded by  
  • Granular cell astrocytoma: Case report
    Rohan Gupta, Supriya Gupta, Nathaniel Shapiro, Scott Rahimi, Suash Sharma
    Human Pathology: Case Reports.2018; 14: 4.     CrossRef
  • Unusual presentation of a granular cell astrocytoma
    Alan A George, Gregory N Fuller, Lauren A Langford, Clayton D Simon, Amy A Zingalis, Derek A Mathis
    Histopathology.2013; 63(6): 883.     CrossRef
Granular Cell Tumor of the Thyroid.
Haeng Ji Kang, Eun Kyung Hong, Moon Hyang Park, Jung Dal Lee
Korean J Pathol. 1998;32(1):63-67.
  • 1,446 View
  • 15 Download
AbstractAbstract PDF
Granular cell tumor is not uncommon and is a well recognized entity which may arise at virtually any site of the body. However, occurrence in the thyroid is extremely rare and has not been described well. Only three cases could be found in the English literatures. We report a case of granular cell tumor of the thyroid in a 30 year-old woman. The tumor was illdefined, infiltrative and was composed of diffuse sheets of polygonal to fusiform cells with abundant eosinophilic granular cytoplasm. The tumor showed evidence of Schwann cell differentiation in immunohistochemical and ultrastructural examinations. Differentiation from more common thyroid tumors having oncocytic granular cytoplasm should be made by immunohistochemistry or electron microscopy.
Symptomatic Graular Cell Tumor Involving Intra- and Suprasellar Area: A case report.
Se Hoon Kim, Sun Ho Kim, Tai Seung Kim
Korean J Pathol. 1999;33(9):745-750.
  • 1,325 View
  • 12 Download
AbstractAbstract PDF
Symptomatic parasellar granular cell tumor is a very rare tumor. To the best of our knowledge, 43 cases was be found in the English literatures. We recently experienced a case of a parasellar granular cell tumor in a 61-year-old female who had bilateral temporal hemianopsia and severe panhypopituitarism. The tumor was composed of diffuse sheets of polygonal cells with abundant eosinophilic PAS positive granular cytoplasm. In the immunohistochemical and ultrastructural examinations, the tumor failed to show any evidence of Schwann cell or glial differentiation. These findings suggest that granular cell tumor has heterogenous cell types of origin.
Malignant Granular Cell Tumor of the Shoulder: A case report.
Jae Hun Chung, Jae Hyuk Lee, Jong Hee Nam, Chan Choi, Min Cheol Lee
Korean J Pathol. 2000;34(6):475-479.
  • 1,538 View
  • 13 Download
AbstractAbstract PDF
A malignant granular cell tumor (MGCT) occurred in the left shoulder of a 62-year-old man. The patient underwent wide marginal excision followed by chemotherapy and radiotherapy. A metastatic tumor was identified in the axillary lymph node 22 months after the excision of the shoulder mass. The primary tumor was a poorly circumscribed mass measuring 5 5 4 cm. On cut section, it was a solid mass with yellowish tan color. Histologically, both primary and metastatic tumor consisted of polygonal cells with abundant granular cytoplasm and a vesicular nucleus with a prominent nucleolus. Two to three mitotic figures per ten high power fields at 200 were counted. Tumor cells were weakly stained with periodic acid-Schiff (PAS) preparation both before and after diastase digestion, and were positive for S-100 protein, neuron-specific enolase (NSE), and vimentin. By electron microscopy, the cytoplasm was filled with numerous autophagolysosomes containing myelin figures, mitochondria, and fragmented rough endoplasmic reticula. Basal laminae and angulated bodies were also noted. These findings suggest schwannian differentiation of this tumor.
Fine Needle Aspiration Cytology of Granular Cell Tumor of the Lower Leg: Report of a Case.
Sun Young Kim, Jin Seok Hwang, Hyuck Po Kwon, Ju Heon Yang, Jae Su Roh, Wan Suk Yang
Korean J Cytopathol. 2004;15(2):126-130.
  • 1,324 View
  • 11 Download
AbstractAbstract PDF
Granular cell tumor is characterized by large eosinophilic cells with granular appearances. These are mostly benign. Approximately 1~2% are malignant, and establishment of reliable criteria for diagnosing malignant granular cell tumor has been difficult to establish because of the rarity. Reports on the cytologic features of this neoplasm are hardly found in Korea. We report a case of rarely-occurring granular cell tumor in the lower leg of a 40-year-old male, diagnosed on fine needle aspiration cytology, together with a review of the literature regarding significant adverse histology and prognostic factors. The aspirates revealed cellular smears of isolated cells, syncytial clusters, and occasionally stripped nuclei in a fine, bluish-purple, granular background. Tumor cells were polygonal, rounded, or slightly spindled, and showed ill-defined granular cytoplasm. Nuclei were small and round or oval, with inconspicuous or small, prominent nucleoli. The nuclei showed rare intranuclear cytoplasmic invagination. Occasionally, there were mild to moderate nuclear pleomorphisms with vesicular nuclei, with large, prominent nucleoi, but no mitosis. The immunocytochemical stain for S-100 was strongly positive in the cytoplasm of tumor cells with occasional nuclei.
Imprint Cytology of Granular Cell Tumor: A Case Report.
Woo Jung Sung, Joon Hyuk Choi
Korean J Cytopathol. 2007;18(2):170-174.
  • 1,455 View
  • 18 Download
AbstractAbstract PDF
Granular cell tumor is a rare tumor of the soft tissue and this is characterized by proliferation of large cells with granular appearing eosinophilic cytoplasm. We report the imprint cytologic features of a case of granular cell tumor in the left calf of a 52-year-old woman. Microscopic examination showed moderate cellularity. The tumor cells were arranged both as single cells and in clusters. The cells were large polygonal-shaped and they had small round nuclei with finely granular chromatin and occasionally conspicuous nucleoli. The cytoplasm was abundant eosinophilic and granular. Naked nuclei and spindle-shaped tumor cells were occasionally noted. No mitosis and necrosis were present. The background showed cytoplasmic granular materials. The tumor cells showed positivity for S-100 protein. Ultrastructurally, abundant lysosomes were present in the cytoplasm of the tumor cells.
Granular Cell Tumors of the Larynx: Report of Three Cases.
Ilseon Hwang, Jeong Eun Hwang, Seung Ho Choi, Soon Yuhl Nam, Kyung Ja Cho
Korean J Pathol. 2007;41(4):284-287.
  • 1,714 View
  • 19 Download
AbstractAbstract PDF
Granular cell tumors are rare and usually benign neoplasms that can occur in various parts of the body. We recently encountered three cases of granular cell tumor of the larynx; here, we present their clinicopathologic features, along with a review of reported Korean cases.
A Case of Esophageal Granular Cell Tumor.
Mi Kyung Kim, Eun Sup Park, Kye Yong Song, Sil Moo Park
Korean J Pathol. 1988;22(4):440-442.
  • 1,488 View
  • 10 Download
Esophageal granular cell tumor of is rare neoplesin, and 3 cases were reported in Korea so far. We report a case of esophageal granular cell tumor in a 28 year old man. The patient was a 28 year old man who visited this hospital because of upper abdominal pain, acid belching and weight loss. A small nodule, 5 mm in diameter, was found in mid esophagus on esophagoscopy. This nodule was proved to be a granular cell tumor.
Granular Cell Tumor of the Esophagus: Three cases of report.
Kye Bem Lee, In Sun Kim, Seung Yong Paik
Korean J Pathol. 1987;21(1):20-25.
  • 1,134 View
  • 10 Download
AbstractAbstract PDF
Three cases of granular cell tumor in esophagus removed endoscopically are present. Immunohistochemical and electron microscopic studies confirmed that this tumor is originated from schwann cell.

JPTM : Journal of Pathology and Translational Medicine