Juvenile granulosa cell tumour
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Juvenile granulosa cell tumour is an uncommon ovarian tumour in the sex cord stromal tumours group.
| Juvenile granulosa cell tumour | |
|---|---|
| Diagnosis in short | |
 Juvenile granulosa cell tumour. H&E stain. | |
|
| |
| LM | microcystic spaces, cuboidal-to-polygonal cells in sheets or stands or cords, with moderate-to-marked nuclear atypia, and basophilic cytoplasm |
| LM DDx | Brenner tumour |
| IHC | inhibin +ve, calretinin +ve |
| Gross | mass lesion, solid |
| Site | ovary - ovarian tumours |
|
| |
| Associated Dx | endometrial hyperplasia, endometrioid endometrial carcinoma |
| Symptoms | +/-menorrhagia |
| Prevalence | uncommon |
General
- May secrete estrogen.
- May present with endometrial pathology, e.g. endometrial hyperplasia or endometrioid endometrial carcinoma.
- May present as precocious puberty.[1]
- Reported in males.[2]
- Uncommon.[3]
Gross
- Classically solid.
Microscopic
Features:
- Microcystic spaces.
- Moderate-to-marked nuclear atypia.
- Cuboidal-to-polygonal cell in sheets or stands or cords.
- Basophilic cytoplasm.
Notes:
- Juvenile variant of GCT has more nuclear pleomorphism.
DDx:
Images
Juvenile granulosa cell tumour - intermed. mag. (WC)
Juvenile granulosa cell tumour - high mag. (WC)
Juvenile granulosa cell tumour - very high mag. (WC)
IHC
- Inhibin positive.[4]
- Inhibin negative in Brenner tumour.
- Calretinin +ve.
Molecular
- Currently not used for the diagnosis.
See also
References
- ↑ Hashemipour, M.; Moaddab, MH.; Nazem, M.; Mahzouni, P.; Salek, M. (Jul 2010). "Granulosa cell tumor in a six-year-old girl presented as precocious puberty.". J Res Med Sci 15 (4): 240-2. PMID 21526089.
- ↑ URL: http://path.upmc.edu/cases/case631.html. Accessed on: 26 January 2012.
- ↑ Oztekin, D.; Kurt, S.; Camuzcuoglu, H.; Balsak, D.; Dicle, N.; Tinar, S.. "Granulosa cell tumors of the ovary: review of 43 cases.". J BUON 17 (3): 461-4. PMID 23033282.
- ↑ Cotran, Ramzi S.; Kumar, Vinay; Fausto, Nelson; Nelso Fausto; Robbins, Stanley L.; Abbas, Abul K. (2005). Robbins and Cotran pathologic basis of disease (7th ed.). St. Louis, Mo: Elsevier Saunders. pp. 1102. ISBN 0-7216-0187-1.
- ↑ Schofield, DE.; Fletcher, JA. (Dec 1992). "Trisomy 12 in pediatric granulosa-stromal cell tumors. Demonstration by a modified method of fluorescence in situ hybridization on paraffin-embedded material.". Am J Pathol 141 (6): 1265-9. PMID 1466394.
- ↑ Mayr, D.; Kaltz-Wittmer, C.; Arbogast, S.; Amann, G.; Aust, DE.; Diebold, J. (Sep 2002). "Characteristic pattern of genetic aberrations in ovarian granulosa cell tumors.". Mod Pathol 15 (9): 951-7. doi:10.1097/01.MP.0000024290.55261.14. PMID 12218213.