sSMC derived from unknown non-acrocentric chromosome
Here not all available older sSMC-cases identified in the pre-FISH era are included!
|
Cases without clinical findings |
Cases with clinical findings |
| Cases with unclear clinical correlation |
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Cases without clinical findings (O):
|
case no. |
gender |
age at diagnosis |
studied |
de novo/ |
GTG-banding result |
final FISH result of the sSMC |
FISH |
UPD |
clinical symptoms |
reference |
| u- O-1 |
- | - | - | - | - | - | - | - | - | - |
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Cases with clinical findings (W):
|
case no. |
gender |
age at diagnosis |
studied |
de novo/ |
GTG-banding result |
final FISH result of the sSMC |
FISH |
UPD |
clinical symptoms |
reference |
| u- W-1 |
male | 6m | PBL | de novo | 47,XY,+mar[100%] | mar stains only with a reverse painting probe of itself | midi and flow sorting with rev FISH | n.a. | born at term and well at birth; delayed milestones; divergent squint; nystagmus at age of 18m; ears low-set and prominent; | {8; 10, 11} |
| u- W-2 |
female | prenatal | AF | n.a. | 47,XX,+mar[100%] | mar stains only with a reverse painting probe of itself | midi with rev FISH | n.a. | no clinical info available | {11} |
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Cases with unclear/insufficient characterization of the sSMC itself (C):
|
case no. |
gender |
age at diagnosis |
studied |
de novo/ |
GTG-banding result |
final FISH result of the sSMC |
FISH |
UPD |
clinical symptoms |
reference |
|
u- C-1 to u- C-3 |
various |
prenatal |
AF | familial or de novo | 47,+mar | n.a. | n.a. | n.a. | none or n.a. | {1} |
|
u- C-4 |
various |
postnatal |
PBL | familial | 47,+mar | n.a. | n.a. | n.a. | slight mental retardation | {2} |
|
u- C-5 |
? |
postnatal |
PBL | ? | 47,+mar | n.a. | n.a. | n.a. | multiple anomalies | {3}original literature presently not available |
|
u- C-6 to u- C-10 |
various |
postnatal |
PBL | de novo | 47,+mar | n.a. | n.a. | n.a. | multiple anomalies | {4} plus review of literature before 1978 |
|
u- C-11 to u- C-25 |
various |
prenatal and postnatal |
AF and PBL | familial or de novo | 47,+mar | n.a. | n.a. | n.a. | multiple anomalies or normal | {5} |
|
u- C-26 |
male | 16y | PBL | de novo | 48,XY,+r,+mar[43%]/ 47,XY,+r[14%]/ 47,XY,+mar[18%]/ 46,XY[25%] |
n.a. | n.a. | n.a. | Hypogonadotrophic hypogonadism; several developmental milestones delayed, hypoplastic kidney, spina bifida oculta in L4, 5; mental retardation | {6} |
|
u- C-27 |
male | prenatal | AF | paternal 3/50 metaphases with mar |
47,XY,+r?[7]/ 46,XY[1] |
n.a. | wcpX, wcpY | n.a. | amniocenteses due to advanced maternal age | {7} case 5 |
|
u- C-28 |
female | 5y | PBL/ Fibroblasts |
de novo | 47-51,XX,+mar1-5x/ [17.3%/33.6%/30%/18.2%/0.9%] 46,XX[2.7%] |
n.a. | n.a. | n.a. | multiple anomalies as described in {9} | {9} |
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