Table 1 Clinical-characteristics, radiographic and pathologic features of primary teratoma of the kidney
Source, year | Â Side | Age | Sex | Clinical presentation | Radiographic features of renal mass | Components of teratoma |
|---|---|---|---|---|---|---|
Kojiro et al., [6] | Â Left kidney | 40 years | Male | Epigastric pain, nausea, no carcinoid syndrome | IVU: Marked dilatation of left renal pelvis | Mucous secretory glands, columnar epithelium, mature hyaline cartilage, smooth muscle |
Fetissof et al., [7] | Â Right kidney | 65 years | Male | Fever, no carcinoid syndrome | IVU: Displaced left kidney and non-visualized right kidney | Transitional and mucinous columnar epithelium, smooth muscle, ossified chondroid plaques, nerve bundles with ganglion cells |
Lodding et al., [8] | Â Right kidney | 23 years | Male | Abdominal pain, no carcinoid syndrome | CT: Calcification in horseshoe kidney | Mature bone |
LIU et al., [5] | Â Left kidney | 2 years | Female | Poor appetite and poor activity 1 week in duration | CT: Huge tumor in the left kidney with calcification and necrosis | Yolk sac tumor and immature teratoma |
Singer et a.l, [9] | Â Left kidney | 2 months | Male | Constipation and a palpable left flank mass | CT : Heterogeneous upper pole left renal neoplasm | Mature teratoma with rare |
foci of immature elements | ||||||
Govender et al., [10] | Â Right kidney | 3 years | Female | Bilateral coarse crackles and a wheeze. Abdominal distension | CT: Large tumour involving The right side of the abdomen | Mature renal teratoma and a synchronous malignant neuroepithelial tumour of the ipsilateral adrenal gland |
Otani et al., 2001 [11] | Â Left kidney | 6 years | Male | Mass of a left side abdominal | CT: Multiple cystic masses | Keratinizing squamous epithelium with hair follicles, shafts and sebaceous glands. atrophy of the adjacent renal parenchyma, with partially dysplastic and angiomyolipoma |
Yoo et al., [12] | Â Left kidney | 30 years | Female | Abdominal pain, no carcinoid syndrome | CT: Dense calcification with minimal contrast enhancement | Mucinous columnar epithelium, smooth muscle, mature bone |
Yaqoob et al., [13] | Â Left kidney | 2 months | Female | Firm mass on left side of the abdomen, which was crossing to the right side as well | X-ray : soft tissue mass with areas of calcification Ultrasound : complex mass partly cystic and partly solid | Cystic spaces lined by keratinizing stratified squamous epithelium with skin adnexae |
Kim et al., [14] | Â Right kidney | 39 years | Female | Asymptomatic, incidental renal mass, no carcinoid syndrome | CT: mass relatively well demarcated and incompletely marginated by a thin hypodense rim with globular calcifications | Mucinous columnar and Pseudostratified columnar epithelium with occasional cilia, mature bone |
Kurzer et al., [15] | Â Right kidney | 58 years | Female | Asymptomatic, incidental renal mass, no carcinoid syndrome | CT: Round mass, smooth, and well marginated, with two solid clumps of calcifications | Transitional, colonic, squamous, and nonspecific cuboidal epithelium, mature adipose, focal osseous metaplasia |
Choi et al., [16] | Â Right kidney | 4 years | Female | Right-sided abdominal mass | US : tumor with intermediate echogenicity and an ovoid, hypoechoic central region | Adipose tissue. squamous epithelial with abundant keratinous flakes. pilosebaceous adnexal elements |
Ledo et al., [17] | Â Left kidney | 4 months | Male | Left -sided abdominal mass | CT: Heterogeneous tumor, amorphous calcifications | Mature teratoma |
Kyoko et al., [18] |  Right kidney | 6 days | Female | Hard mass of 6 × 6 cm in diameter, in the right upper abdomen | CT: mass containing low-density areas from the isthmus to the right lower pole of a horseshoe kidney | Mature tissu contained neuroepithelial components |
Henry B Armah et al., [19] | Â Right kidney | 35 years | Female | Right flank pain, right costovertebral angle tenderness, no carcinoid syndrome | CT: Exophytic, round, well-circumscribed mildly complex hypodense with globular calcifications | Urothelial-type and colonic epithelium,focal mature bone |
Madhumita et al., [20] | Â Right kidney | 1 month | Male | Mass in the right side of theabdomen since birth | CT: soft tissue density mass with fat and fluid components arising from the right kidney. Multiple calcifications duplication of the cecum and Appendix | Mature benign teratoma |
Current case | Â Left kidney | 6 months | Female | Abdominal distension and pain | US: pelvic left kidney measuring 18 cms in diameter with an important expansion of the excretory cavities and internal cystic and solid changes CT: mass containing low-density areas of the left kidney | keratinizing stratified squamous epithelium with skin adnexae, cartilage, mucinous columnar epithelium,bone, melanin containing cells and neuroglial cells with occasional foci of immature neuroectodermal tissue |