Table I.
Results based on the questionnaire prepared by the Andrology and Fertility Preservation special interest groups of ESHRE.
| Results from sites collecting testicular tissues | Number of cases/samples (total) | Range of cases/samples (lowest-highest) | |
|---|---|---|---|
| (i) How many immature patients underwent testicular tissue retrieval as a strategy for fertility preservation? | 1033 | ||
| (ii) How many samples are currently stored? | 989 | ||
| (iii) What was the age range of pre-pubertal patients? | 3 months −18 years | ||
| (iv) Do you also recruit non-malignant patients? | Yes (all) | ||
| (v) What is the proportion of malignant cases? | 2–98% | ||
| (vi) Which cryopreservation protocol was applied? | Slow freezing (all) | ||
| (vii) Which cryoprotectant was used? | DMSO (5) DMSO and sucrose (1) DMSO & HSA (3)/or patient serum & sucrose (2) DMSO & ethylene glycol (1) PBS & ethylene glycol, HSA & sucrose (1) |
||
| (viii) Who pays for collection of tissue? | Health insurance (3) Combination of health insurance and charitable funds/grants/institution (3) Study (1) Study plus charitable donation (1) The hospital (3) |
||
| (xiv) Who pays for storage? | Healthcare (4) Healthcare plus charitable funds (1) Study plus the patient (after 1 year of storage) (1) Study plus charitable donation (1) The hospital/institutional money (4) |
DMSO = dimethyl sulfoxide; HSA = human serum albumin.
Numbers between brackets show the number of times this answer was given.