All are true about spermatocytic seminoma except:
Correct Answer: Three types are there
Description: Ans: a (3 types are there) Ref: Robbins, 7th ed, p. 1042Spermatocytic seminoma is a non seminomatous slow growing testicular tumour seen in old age. It does not have three types.Spermatocytic seminoma* Both clinically & histologically distinct from seminoma* Variant of germ cell tumour that do not arise from an intratubular germ cell neoplasia (other being teratoma in children)* Uncommon tumour 1 - 2% of all testicular germ cell neoplasms* Affected individuals over 65 yrs of age* S low growing tumour that rarely produces metastases* Excellent prognosis* Grossly spermatocytic seminoma tends to be larger than classic seminoma and presents with a pale grey soft cut surface, sometimes with mucoid cysts* Microscopy - 3 cell population all intermixedPathologic classification of common testicular tumoursGerm cell tumours (~ 95%)Nonseminomas* Spermatocytic seminoma* Embryonal carcinoma* Yolk sac (endodermal sinus) tumour* Choriocarcinoma* TeratomaSeminomaOthers (5%)Sex cord / gonadal stromal tumorsTumors containing both germ cell & sexcord/ gonadal stromal elementsLymphoid & Haematopoeitic tumorsMiscellaneousLeydig cell tumorsGonadoblastomaLymphomaCarcinoidSertoli cell tumour LeukemiaAdenomaGranulosa cell tumour PlasmacytomaCarcinomaThecoma / fibroma Most of the germ cell neoplasm arise from intratubular germ cell neoplasia; exceptions are spermatocytic seminoma, dermoid cyst, epidermoid cyst, paediatric tumours like yolk sac tumour and teratoma (pgi june 2007)
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