Cryptorchidism is the absence of one or both testes from the scrotum. The word is from the Greek κρυπτός (kryptos), meaning "hidden", and ὄρχις (orchis), meaning "testicle". [Source: Wikipedia ]

Is A
Testicular anomaly
May Cause
Limb asymmetry
Testicular calcification
Testicular microlithiasis
May Be Caused by
Aarskog syndrome
Adrenal insufficiency
Aniridia-Wilms tumor association
Arthrogryposis multiplex congenita
Bardet-Biedl syndrome
Beckwith-Wiedemann syndrome
Brachmann-de Lange syndrome
BRESEK syndrome
Carnevale syndrome
Carpenter syndrome
Cerebro-oculofacioskeletal syndrome
Cockayne syndrome
Cryptorchidism - arachnodactyly - intellectual deficit
Diastrophic dysplasia
Dubowitz syndrome
Fanconi anemia
Femoral hypoplasia-unusual facies syndrome
Fetal akinesia sequence
Fetal rubella infection
Fontaine-Farriaux syndrome
Fraser syndrome
Genitopatellar syndrome
Goeminne syndrome
Gordon syndrome
Gorlin syndrome
Hallermann-Streiff syndrome
Herrmann-Opitz syndrome
Ichthyosis follicularis - alopecia - photophobia
IMAGe syndrome
Intellectual deficit - craniofacial dysmorphism - cryptorchidism
Intellectual deficit - hypotonia - brachycephaly - pyloric stenosis - cryptorchidism syndrome
Juberg-Marsidi syndrome
Kabuki syndrome
Kallmann syndrome
KBG syndrome
Lateral meningocele syndrome
Lenz microphthalmia syndrome
LEOPARD syndrome
Lowe syndrome
Marfan syndrome
Meckel syndrome
Meier-Gorlin syndrome
Miller-Dieker syndrome
Myotonic dystrophy
N syndrome
Noonan syndrome
Opitz BBBG syndrome
PAGOD syndrome
Perlman syndrome
Persistent müllerian duct syndrome
Pfeiffer cardiocranial syndrome
Prader-Willi syndrome
Prune-belly syndrome
Pterygium syndrome
Roberts syndrome
Robinow syndrome
Rothmund-Thomson syndrome
Rubinstein-Taybi syndrome
Saethre-Chotzen syndrome
Sakati syndrome
Seckel syndrome
Senter syndrome
Silver-Russell syndrome
Smith-Fineman-Myers syndrome
Smith-Lemli-Opitz syndrome
Splenogonadal fusion-limb deformity syndrome
Testicular feminization
Toriello-Carey syndrome
Torticollis - keloids - cryptorchidism - renal dysplasia
Treacher Collins syndrome
Trisomy 21
Urofacial syndrome
Velocardiofacial syndrome
WAGR syndrome
Zellweger syndrome