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11 September 2022: Articles

A Rare Case of Negative Serum Calcitonin in Metastatic Medullary Thyroid Carcinoma: Diagnosis, Treatment, and Follow-Up Strategy

Challenging differential diagnosis, Diagnostic / therapeutic accidents, Rare disease, Educational Purpose (only if useful for a systematic review or synthesis)

Lorena Licata A , Cristina A. Di Fidio B , Marco Vacante F , Francesco Basile D , Antonio Biondi F , Pierina Richiusa A , Alessandra Gurrera D , Roberto Ciuni A*

DOI: 10.12659/AJCR.935207

Am J Case Rep 2022; 23:e935207

Table 3. Histologic characteristics and RET mutation in CT-negative and CT-positive patients.

Histological featuresIHC
Amaloid depo-sitionCapsular invasionLympho-vascular invasionC cell hyper-plasiaMitosisNecrosisPancyto-keratinCK7CK8CK18Chromo-granin ASynapto-physin
Sobol et al (1989) []30 NANANANANANANANANA++
Schmid et al (1998) []31 ++NANANA++–/+++
Redding et al (2000) []32 NANANANANANANANA+
Bockhorn et al (2004) []33 NANANANANANANA+NA
Sand et al (2006) []34 NANANANANANANANANANANANA
Dora et al (2008) []35 +++NA+NANANANANA++
Wang et al (2008) []36 ++ (vascular)NANANA+ (AE1/AE3)+NANA++
Giovanella et al (2008) []37 NANA+NANANANANANANA+NA
Alapat et al (2011) []38 NANANANANANA+NA
Chernyavsky et al (2011) []39 +NA++++
Nakazawa et al (2015) []40 ++ (AE1/AE3)NANANA++
Frank-Raue et al (2013) []5 NANANANANANANANA
Ismi et al (2014) []41 NA+NANANANANANANANA++
Brutsaert et al (2015) []43 NA+NA+++ (AE1/AE3)NANANA+NA
Kim et al (2015) []24 NANANANANANANANANA++
Kasajima et al (2016) []43 + (AE1/AE3)+++
Parmer et al (2017) []44 NANANANANA++
Zhou et al (2017) []19 11 pz +8 pz –8 pz +11 pz –Lymph node3 pz + 16 pz –Vascular thrombus 1 pz +18 pz –NANANANANANANA18 pz +1 pz –19 pz +0 pz –
IHCISHGene mutation
CalcitoninCGRPTTF-1TTF-2PAX8Thyro-globulinThyroperoxidaseCEAKI-67Calci-toninThyroglo-bulinRET gene mutationH-RAS, K-RAS, B-RAF gene mutation
Sobol et al (1989) []31 NANANANA+NANANANANA
Schmid et al (1998) []32 +NANANANANANANANA
Redding et al (2000) []33 +NANANANANA+NANA
Bockhorn et al (2004) []34 +NANANANANA+NANANA
Sand et al (2006) []35 +NANANANANANA+NANANANANA
Dora et al (2008) []36 +NANANANANANANANANA
Wang et al (2008) []37 + (mini- mally)NA+NANANA+NA+NANANA
Giovanella et al (2008) []38 +NANANANANANA+NANANANA
Alapat et al (2011) []39 +NA+NANANA+NANANANA
Chernyavsky et al (2011) []40 NANANANA+NA+NANANA
Nakazawa et al (2015) []41 ++– (nuclear) + (cytoplas- matic)+< 2%NA
Frank-Raue et al (2013) []5 NANANANANANACodon 918,%:NA
Ismi et al (2014) []42 NANANANA70%NANANA
Brutsaert et al (2015) []43 +NA+NANANANANANANANA+ (MEN)NA
Kim et al (2015) []25 NA+NANA+NANANANANANA
Kasajima et al (2016) []44 ++– (nuclear) + (cytoplas-mic)++0,3%
Parmer et al (2017) [45]NA+NANANA+1%NANANANA
Zhou et al (2017) []20 8 pz + 11 pz –NANANANA5 pz + 14 pz –NA4 pz +15 pz –NANANANA

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American Journal of Case Reports eISSN: 1941-5923
American Journal of Case Reports eISSN: 1941-5923